Custom Tumblers & Travel Mugs, Thor 16 oz Tumbler - Stainless Steel & Double Wall, The Thor Tumbler 16 oz features a fine-grit coating that provides a natural feel. It's made from sturdy stainless steel and contains a plastic liner to help keep your beverages pure-tasting. This double-wall 16 oz tumbler comes with a straw and includes a push-on lid with a slide-open closure. Materials: Stainless steel and plastic liner Hand wash only. Follow any included care guidelines. ... #SM-6667 $6.26/each.