The Thermos® Stainless Steel Coffee Cup Insulator lets you slip your takeout cup directly inside — keep your barista-made coffee hot for up to 2 hours, or your cold brew cold for up to 10 hours, without a second pour. The open top fits most standard 12–20 oz takeout cups. Double-wall vacuum insulation with a sweat-proof exterior. BPA-free stainless steel. Dishwasher safe — top rack only Specifications: Fits most 12–20 oz takeout cups | Double-wall vacuum insulated | BPA-free stainless steel | Keeps drinks hot 2 hours, cold 10 hours | Sweat-proof exterior Shop all Thermos® drinkware , view best sellers , or add laser engraving .