Stainless Steel Drink Tumbler - Double Wall - Vacuum Insulated with Silicone Lid - 16oz. Brushed Stainless These Durable and Stylish Tumblers are great for the daily use of all your hot or cold beverage needs. Silicone lid helps helps prevent spills while at work, at home or on the go. Durable Double Wall Stainless Steel Construction Vacuum Insulated Hand wash. Not for microwave, dishwasher, cooking, or freezer use.