Product Details Product Details Holds 20oz of liquidDouble wall 18/8 stainless steelCopper lined for maximum temperature efficiencyFood grade – no metallic tasteVacuum insulatedSweat proofBPA FreeStainless SteelImport, Domestic Officially Licensed This K-State Wildcats Stainless Steel Tumbler is great for keeping your drink cold and showing your team spirit. This Stainless Steel Tumbler features a stainless steel premium vacuum insulation with a sweat-free outside powder coating.