1 Study Coverage 1.1 Metal Bottle Opener Product Introduction 1.2 Global Metal Bottle Opener Outlook 2017 VS 2022 VS 2028 1.2.1 Global Metal Bottle Opener Sales in US$ Million for the Year 2017-2028 1.2.2 Global Metal Bottle Opener Sales in Volume for the Year 2017-2028 1.3 United States Metal Bottle Opener Outlook 2017 VS 2022 VS 2028 1.3.1 United States Metal Bottle Opener Sales in US$ Million for the Year 2017-2028 1.3.2 United States Metal Bottle Opener Sales in Volume for the Year 2017-2028 1.4 Metal Bottle Opener Market Size, United States VS Global, 2017 VS 2022 VS 2028 1.4.1 The Market Share of United States Metal Bottle Opener in Global, 2017 VS 2022 VS 2028 1.4.2 The Growth Rate of Metal Bottle Opener Market Size, United States VS Global, 2017 VS 2022 VS 2028 1.5 Metal Bottle Opener Market Dynamics 1.5.1 Metal Bottle Opener Industry Trends 1.5.2 Metal Bottle Opener Market Drivers 1.5.3 Metal Bottle Opener Market Challenges 1.5.4 Metal Bottle Opener Market Restraints 1.6 Study Objectives 1.7 Years Considered 2 Market by Type 2.1 Metal Bottle Opener Market Segment by Type 2.1.1 Flat 2.1.2 Fish Hook 2.1.3 Others 2.2 Global Metal Bottle Opener Market Size by Type 2.2.1 Global Metal Bottle Opener Sales in Value, by Type (2017, 2022 & 2028) 2.2.2 Global Metal Bottle Opener Sales in Volume, by Type (2017, 2022 & 2028) 2.2.3 Global Metal Bottle Opener Average Selling Price (ASP) by Type (2017, 2022 & 2028) 2.3 United States Metal Bottle Opener Market Size by Type 2.3.1 United States Metal Bottle Opener Sales in Value, by Type (2017, 2022 & 2028) 2.3.2 United States Metal Bottle Opener Sales in Volume, by Type (2017, 2022 & 2028) 2.3.3 United States Metal Bottle Opener Average Selling Price (ASP) by Type (2017, 2022 & 2028) 3 Market by Application 3.1 Metal Bottle Opener Market Segment by Application 3.1.1 Household 3.1.2 Food Service 3.2 Global Metal Bottle Opener Market Size by Application 3.2.1 Global Metal Bottle Opener Sales in Value, by Application (2017, 2022 & 2028) 3.2.2 Global Metal Bottle Opener Sales in Volume, by Application (2017, 2022 & 2028) 3.3.3 Global Metal Bottle Opener Average Selling Price (ASP) by Application (2017, 2022 & 2028) 3.3 United States Metal Bottle Opener Market Size by Application 3.3.1 United States Metal Bottle Opener Sales in Value, by Application (2017, 2022 & 2028) 3.3.2 United States Metal Bottle Opener Sales in Volume, by Application (2017, 2022 & 2028) 3.3.3 United States Metal Bottle Opener Average Selling Price (ASP) by Application (2017, 2022 & 2028) 4 Global Metal Bottle Opener Competitor Landscape by Company 4.1 Global Metal Bottle Opener Market Size by Company 4.1.1 Top Global Metal Bottle Opener Manufacturers Ranked by Revenue (2021) 4.1.2 Global Metal Bottle Opener Revenue by Manufacturer (2017-2022) 4.1.3 Global Metal Bottle Opener Sales by Manufacturer (2017-2022) 4.1.4 Global Metal Bottle Opener Price by Manufacturer (2017-2022) 4.2 Global Metal Bottle Opener Concentration Ratio (CR) 4.2.1 Metal Bottle Opener Market Concentration Ratio (CR) (2017-2022) 4.2.2 Global Top 5 and Top 10 Largest Manufacturers of Metal Bottle Opener in 2021 4.2.3 Global Metal Bottle Opener Market Share by Company Type (Tier 1, Tier 2, and Tier 3) 4.3 Global Metal Bottle Opener Manufacturing Base Distribution, Product Type 4.3.1 Global Metal Bottle Opener Manufacturers, Headquarters and Distribution of Producing Region 4.3.2 Manufacturers Metal Bottle Opener Product Type 4.3.3 Date of International Manufacturers Enter into Metal Bottle Opener Market 4.4 Manufacturers Mergers & Acquisitions, Expansion Plans 4.5 United States Metal Bottle Opener Market Size by Company 4.5.1 Top Metal Bottle Opener Players in United States, Ranked by Revenue (2021) 4.5.2 United States Metal Bottle Opener Revenue by Players (2020, 2021 & 2022) 4.5.3 United States Metal Bottle Opener Sales by Players (2020, 2021 & 2022) 5 Global Metal Bottle Opener Market Size by Region 5.1 Global Metal Bottle Opener Market Size by Region: 2017 VS 2022 VS 2028 5.2 Global Metal Bottle Opener Market Size in Volume by Region (2017-2028) 5.2.1 Global Metal Bottle Opener Sales in Volume by Region: 2017-2022 5.2.2 Global Metal Bottle Opener Sales in Volume Forecast by Region (2023-2028) 5.3 Global Metal Bottle Opener Market Size in Value by Region (2017-2028) 5.3.1 Global Metal Bottle Opener Sales in Value by Region: 2017-2022 5.3.2 Global Metal Bottle Opener Sales in Value by Region: 2023-2028 6 Segment in Region Level & Country Level 6.1 North America 6.1.1 North America Metal Bottle Opener Market Size YoY Growth 2017-2028 6.1.2 North America Metal Bottle Opener Market Facts & Figures by Country (2017, 2022 & 2028) 6.1.3 U.S. 6.1.4 Canada 6.2 Asia-Pacific 6.2.1 Asia-Pacific Metal Bottle Opener Market Size YoY Growth 2017-2028 6.2.2 Asia-Pacific Metal Bottle Opener Market Facts & Figures by Region (2017, 2022 & 2028) 6.2.3 China 6.2.4 Japan 6.2.5 South Korea 6.2.6 India 6.2.7 Australia 6.2.8 China Taiwan 6.2.9 Indonesia 6.2.10 Thailand 6.2.11 Malaysia 6.3 Europe 6.3.1 Europe Metal Bottle Opener Market Size YoY Growth 2017-2028 6.3.2 Europe Metal Bottle Opener Market Facts & Figures by Country (2017, 2022 & 2028) 6.3.3 Germany 6.3.4 France 6.3.5 U.K. 6.3.6 Italy 6.3.7 Russia 6.4 Latin America 6.4.1 Latin America Metal Bottle Opener Market Size YoY Growth 2017-2028 6.4.2 Latin America Metal Bottle Opener Market Facts & Figures by Country (2017, 2022 & 2028) 6.4.3 Mexico 6.4.4 Brazil 6.4.5 Argentina 6.5 Middle East and Africa 6.5.1 Middle East and Africa Metal Bottle Opener Market Size YoY Growth 2017-2028 6.5.2 Middle East and Africa Metal Bottle Opener Market Facts & Figures by Country (2017, 2022 & 2028) 6.5.3 Turkey 6.5.4 Saudi Arabia 6.5.5 UAE 7 Company Profiles 7.1 Cymba 7.1.1 Cymba Corporation Information 7.1.2 Cymba Description and Business Overview 7.1.3 Cymba Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.1.4 Cymba Metal Bottle Opener Products Offered 7.1.5 Cymba Recent Development 7.2 Jin Sheu 7.2.1 Jin Sheu Corporation Information 7.2.2 Jin Sheu Description and Business Overview 7.2.3 Jin Sheu Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.2.4 Jin Sheu Metal Bottle Opener Products Offered 7.2.5 Jin Sheu Recent Development 7.3 Beaumont 7.3.1 Beaumont Corporation Information 7.3.2 Beaumont Description and Business Overview 7.3.3 Beaumont Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.3.4 Beaumont Metal Bottle Opener Products Offered 7.3.5 Beaumont Recent Development 7.4 STARR Bottle Openers 7.4.1 STARR Bottle Openers Corporation Information 7.4.2 STARR Bottle Openers Description and Business Overview 7.4.3 STARR Bottle Openers Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.4.4 STARR Bottle Openers Metal Bottle Opener Products Offered 7.4.5 STARR Bottle Openers Recent Development 7.5 Yeti Coolers 7.5.1 Yeti Coolers Corporation Information 7.5.2 Yeti Coolers Description and Business Overview 7.5.3 Yeti Coolers Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.5.4 Yeti Coolers Metal Bottle Opener Products Offered 7.5.5 Yeti Coolers Recent Development 7.6 Thirsty Rhino 7.6.1 Thirsty Rhino Corporation Information 7.6.2 Thirsty Rhino Description and Business Overview 7.6.3 Thirsty Rhino Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.6.4 Thirsty Rhino Metal Bottle Opener Products Offered 7.6.5 Thirsty Rhino Recent Development 7.7 Westmark 7.7.1 Westmark Corporation Information 7.7.2 Westmark Description and Business Overview 7.7.3 Westmark Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.7.4 Westmark Metal Bottle Opener Products Offered 7.7.5 Westmark Recent Development 7.8 OXO 7.8.1 OXO Corporation Information 7.8.2 OXO Description and Business Overview 7.8.3 OXO Metal Bottle Opener Sales, Revenue and Gross Margin (2017-2022) 7.8.4 OXO Metal Bottle Opener Products Offered 7.8.5 OXO Recent Development 8 Industry Chain and Sales Channels Analysis 8.1 Metal Bottle Opener Industry Chain Analysis 8.2 Metal Bottle Opener Key Raw Materials 8.2.1 Key Raw Materials 8.2.2 Metal Bottle Opener Distributors 8.3 Metal Bottle Opener Production Mode & Process 8.4 Metal Bottle Opener Sales and Marketing 8.4.1 Metal Bottle Opener Sales Channels 8.4.2 Metal Bottle Opener Distributors 8.5 Metal Bottle Opener Customers 9 Research Findings and Conclusion 10 Appendix 10.1 Research Methodology 10.1.1 Methodology/Research Approach 10.1.2 Data Source 10.2 Author Details 10.3 Disclaimer

List of Tables Table 1. Metal Bottle Opener CAGR in Value, United States VS Global, 2017 VS 2022 VS 2028 Table 2. Metal Bottle Opener Market Trends Table 3. Metal Bottle Opener Market Drivers Table 4. Metal Bottle Opener Market Challenges Table 5. Metal Bottle Opener Market Restraints Table 6. Global Metal Bottle Opener Sales by Type: 2017 VS 2022 VS 2028 (US$ Million) Table 7. United States Metal Bottle Opener Sales by Type: 2017 VS 2022 VS 2028 (US$ Million) Table 8. Global Metal Bottle Opener Sales by Application: 2017 VS 2022 VS 2028 (US$ Million) Table 9. United States Metal Bottle Opener Sales by Application: 2017 VS 2022 VS 2028 (US$ Million) Table 10. Top Metal Bottle Opener Manufacturers in Global Market, Ranking by Revenue (2021) Table 11. Global Metal Bottle Opener Revenue by Manufacturer, (US$ Million), 2017-2022 Table 12. Global Metal Bottle Opener Revenue Share by Manufacturer, 2017-2022 Table 13. Global Metal Bottle Opener Sales by Manufacturer, (K Units), 2017-2022 Table 14. Global Metal Bottle Opener Sales Share by Manufacturer, 2017-2022 Table 15. Global Metal Bottle Opener Price by Manufacturer (2017-2022) & (US$/Unit) Table 16. Global Metal Bottle Opener Manufacturers Market Concentration Ratio (CR5 and HHI) Table 17. Global Metal Bottle Opener by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in Metal Bottle Opener as of 2021) Table 18. Top Players of Metal Bottle Opener in Global Market, Headquarters and Distribution of Producing Region Table 19. Manufacturers Metal Bottle Opener Product Type Table 20. Date of International Manufacturers Enter into Metal Bottle Opener Market Table 21. Manufacturers Mergers & Acquisitions, Expansion Plans Table 22. Top Metal Bottle Opener Players in United States Market, Ranking by Revenue (2021) Table 23. United States Metal Bottle Opener Revenue by Players, (US$ Million), 2020, 2021 & 2022 Table 24. United States Metal Bottle Opener Revenue Share by Players, 2020, 2021 & 2022 Table 25. United States Metal Bottle Opener Sales by Players, (K Units), 2020, 2021 & 2022 Table 26. United States Metal Bottle Opener Sales Share by Players, 2020, 2021 & 2022 Table 27. Global Metal Bottle Opener Market Size by Region (US$ Million): 2017 VS 2022 VS 2028 Table 28. Global Metal Bottle Opener Sales in Volume by Region (2017-2022) & (K Units) Table 29. Global Metal Bottle Opener Sales in Volume Forecast by Region (2023-2028) & (K Units) Table 30. Global Metal Bottle Opener Sales in Value by Region (2017-2022) & (US$ Million) Table 31. Global Metal Bottle Opener Sales in Value Forecast by Region (2023-2028) & (US$ Million) Table 32. North America Metal Bottle Opener Sales in Volume by Country (2017-2028) & (K Units) Table 33. North America Metal Bottle Opener Sales in Value by Country (2017-2028) & (US$ Million) Table 34. Asia Pacific Metal Bottle Opener Sales in Volume by Region (2017-2028) & (K Units) Table 35. Asia Pacific Metal Bottle Opener Sales in Value by Region (2017-2028) & (US$ Million) Table 36. Europe Metal Bottle Opener Sales in Volume by Country (2017-2028) & (K Units) Table 37. Europe Metal Bottle Opener Sales in Value by Country (2017-2028) & (US$ Million) Table 38. Latin America Metal Bottle Opener Sales in Volume by Country (2017-2028) & (K Units) Table 39. Latin Americaa Metal Bottle Opener Sales in Value by Country (2017-2028) & (US$ Million) Table 40. Middle East and Africa Metal Bottle Opener Sales in Volume by Country (2017-2028) & (K Units) Table 41. Middle East and Africa Metal Bottle Opener Sales in Value by Country (2017-2028) & (US$ Million) Table 42. Cymba Corporation Information Table 43. Cymba Description and Business Overview Table 44. Cymba Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 45. Cymba Metal Bottle Opener Product Table 46. Cymba Recent Development Table 47. Jin Sheu Corporation Information Table 48. Jin Sheu Description and Business Overview Table 49. Jin Sheu Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 50. Jin Sheu Product Table 51. Jin Sheu Recent Development Table 52. Beaumont Corporation Information Table 53. Beaumont Description and Business Overview Table 54. Beaumont Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 55. Beaumont Product Table 56. Beaumont Recent Development Table 57. STARR Bottle Openers Corporation Information Table 58. STARR Bottle Openers Description and Business Overview Table 59. STARR Bottle Openers Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 60. STARR Bottle Openers Product Table 61. STARR Bottle Openers Recent Development Table 62. Yeti Coolers Corporation Information Table 63. Yeti Coolers Description and Business Overview Table 64. Yeti Coolers Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 65. Yeti Coolers Product Table 66. Yeti Coolers Recent Development Table 67. Thirsty Rhino Corporation Information Table 68. Thirsty Rhino Description and Business Overview Table 69. Thirsty Rhino Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 70. Thirsty Rhino Product Table 71. Thirsty Rhino Recent Development Table 72. Westmark Corporation Information Table 73. Westmark Description and Business Overview Table 74. Westmark Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 75. Westmark Product Table 76. Westmark Recent Development Table 77. OXO Corporation Information Table 78. OXO Description and Business Overview Table 79. OXO Metal Bottle Opener Sales (K Units), Revenue (US$ Million), Price (US$/Unit) and Gross Margin (2017-2022) Table 80. OXO Product Table 81. OXO Recent Development Table 82. Key Raw Materials Lists Table 83. Raw Materials Key Suppliers Lists Table 84. Metal Bottle Opener Customers List Table 85. Metal Bottle Opener Distributors List Table 86. Research Programs/Design for This Report Table 87. Key Data Information from Secondary Sources Table 88. Key Data Information from Primary Sources List of Figures Figure 1. Metal Bottle Opener Product Picture Figure 2. Global Metal Bottle Opener Revenue, (US$ Million), 2017 VS 2022 VS 2028 Figure 3. Global Metal Bottle Opener Market Size 2017-2028 (US$ Million) Figure 4. Global Metal Bottle Opener Sales 2017-2028 (K Units) Figure 5. United States Metal Bottle Opener Revenue, (US$ Million), 2017 VS 2022 VS 2028 Figure 6. United States Metal Bottle Opener Market Size 2017-2028 (US$ Million) Figure 7. United States Metal Bottle Opener Sales 2017-2028 (K Units) Figure 8. United States Metal Bottle Opener Market Share in Global, in Value (US$ Million) 2017-2028 Figure 9. United States Metal Bottle Opener Market Share in Global, in Volume (K Units) 2017-2028 Figure 10. Metal Bottle Opener Report Years Considered Figure 11. Product Picture of Flat Figure 12. Product Picture of Fish Hook Figure 13. Product Picture of Others Figure 14. Global Metal Bottle Opener Market Share by Type in 2022 & 2028 Figure 15. Global Metal Bottle Opener Sales in Value by Type (2017-2028) & (US$ Million) Figure 16. Global Metal Bottle Opener Sales Market Share in Value by Type (2017-2028) Figure 17. Global Metal Bottle Opener Sales by Type (2017-2028) & (K Units) Figure 18. Global Metal Bottle Opener Sales Market Share in Volume by Type (2017-2028) Figure 19. Global Metal Bottle Opener Price by Type (2017-2028) & (US$/Unit) Figure 20. United States Metal Bottle Opener Market Share by Type in 2022 & 2028 Figure 21. United States Metal Bottle Opener Sales in Value by Type (2017-2028) & (US$ Million) Figure 22. United States Metal Bottle Opener Sales Market Share in Value by Type (2017-2028) Figure 23. United States Metal Bottle Opener Sales by Type (2017-2028) & (K Units) Figure 24. United States Metal Bottle Opener Sales Market Share in Volume by Type (2017-2028) Figure 25. United States Metal Bottle Opener Price by Type (2017-2028) & (US$/Unit) Figure 26. Product Picture of Household Figure 27. Product Picture of Food Service Figure 28. Global Metal Bottle Opener Market Share by Application in 2022 & 2028 Figure 29. Global Metal Bottle Opener Sales in Value by Application (2017-2028) & (US$ Million) Figure 30. Global Metal Bottle Opener Sales Market Share in Value by Application (2017-2028) Figure 31. Global Metal Bottle Opener Sales by Application (2017-2028) & (K Units) Figure 32. Global Metal Bottle Opener Sales Market Share in Volume by Application (2017-2028) Figure 33. Global Metal Bottle Opener Price by Application (2017-2028) & (US$/Unit) Figure 34. United States Metal Bottle Opener Market Share by Application in 2022 & 2028 Figure 35. United States Metal Bottle Opener Sales in Value by Application (2017-2028) & (US$ Million) Figure 36. United States Metal Bottle Opener Sales Market Share in Value by Application (2017-2028) Figure 37. United States Metal Bottle Opener Sales by Application (2017-2028) & (K Units) Figure 38. United States Metal Bottle Opener Sales Market Share in Volume by Application (2017-2028) Figure 39. United States Metal Bottle Opener Price by Application (2017-2028) & (US$/Unit) Figure 40. North America Metal Bottle Opener Sales in Volume Growth Rate 2017-2028 (K Units) Figure 41. North America Metal Bottle Opener Sales in Value Growth Rate 2017-2028 (US$ Million) Figure 42. U.S. Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 43. Canada Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 44. Europe Metal Bottle Opener Sales in Volume Growth Rate 2017-2028 (K Units) Figure 45. Europe Metal Bottle Opener Sales in Value Growth Rate 2017-2028 (US$ Million) Figure 46. Germany Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 47. France Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 48. U.K. Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 49. Italy Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 50. Russia Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 51. Asia-Pacific Metal Bottle Opener Sales in Volume Growth Rate 2017-2028 (K Units) Figure 52. Asia-Pacific Metal Bottle Opener Sales in Value Growth Rate 2017-2028 (US$ Million) Figure 53. China Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 54. Japan Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 55. South Korea Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 56. India Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 57. Australia Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 58. China Taiwan Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 59. Indonesia Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 60. Thailand Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 61. Malaysia Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 62. Latin America Metal Bottle Opener Sales in Volume Growth Rate 2017-2028 (K Units) Figure 63. Latin America Metal Bottle Opener Sales in Value Growth Rate 2017-2028 (US$ Million) Figure 64. Mexico Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 65. Brazil Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 66. Argentina Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 67. Middle East & Africa Metal Bottle Opener Sales in Volume Growth Rate 2017-2028 (K Units) Figure 68. Middle East & Africa Metal Bottle Opener Sales in Value Growth Rate 2017-2028 (US$ Million) Figure 69. Turkey Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 70. Saudi Arabia Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 71. UAE Metal Bottle Opener Sales in Value Growth Rate (2017-2028) & (US$ Million) Figure 72. Metal Bottle Opener Value Chain Figure 73. Metal Bottle Opener Production Process Figure 74. Channels of Distribution Figure 75. Distributors Profiles Figure 76. Bottom-up and Top-down Approaches for This Report Figure 77. Data Triangulation Figure 78. Key Executives Interviewed

Cymba Jin Sheu Beaumont STARR Bottle Openers Yeti Coolers Thirsty Rhino Westmark OXO