2.2" (56mm) Silicone Self-Adhesive Bottoms for Tumblers 1/16" (1.6mm) Thick Flat Adhesive Layer for quick and easy application Embossed Care Instructions with Symbols Slip-resistant surface provides stable platform for tumblers Quiet: No more clanking metal when placing tumblers on surfaces! Protects surfaces and tumbler bottom from scratches To extend the life of the silicone bottom adhesive: DO NOT place in Dishwasher, Hand Wash Only. Universal Size (2.2" Diameter) can be used for a variety of substrates and drinkware: 20 oz or 30 oz Regular Tumblers 20 oz or 30 oz Skinny Tumblers 12oz Stemless Wine Tumblers 15oz Insulated Mugs 30 oz Insulated Water Bottles Enamel or Ceramic Camp Mugs and many other substrates with diameters of 2.25" or more Additional Details ------------------------------ Product description: 2.2" (56mm) Silicone Self-Adhesive Bottoms for Tumblers 1/16" (1.6mm) Thick Flat Adhesive Layer for quick and easy application Embossed Care Instructions with Symbols Slip-resistant surface provides stable platform for tumblers Quiet: No more clanking metal when placing tumblers on surfaces! Protects surfaces and tumbler bottom from scratches To extend the life of the silicone bottom adhesive: DO NOT place in Dishwasher, Hand Wash Only. Universal Size (2.2" Diameter) can be used for a variety of substrates and drinkware: 20 oz or 30 oz Regular Tumblers 20 oz or 30 oz Skinny Tumblers 12oz Stemless Wine Tumblers 15oz Insulated Mugs 30 oz Insulated Water Bottles Enamel or Ceramic Camp Mugs and many other substrates with diameters of 2.25" or more