This fits your?. Make sure this fitsby entering your model number. Durable Rubber O-Ring for most major brands of 14 and 30 ounce stainless steel tumblers Fits most major brands of 14 and 30 ounce stainless steel tumblers Made to create a perfect seal between the lid and tumbler. Simple and Easy to replace. Roll off the old rubber ring with your fingers and slide on the new ring Replace that old, gunked up rubber ring with a new ring to give your cup that perfect seal!