Throw away those old gunked up rubber rings on your stainless steel tumbler and replace it with a new seal! These O-rings fit Stanley Flowstate H2.0 Travel Tumblers. Simply pull off the old ring then stretch the new ring in its place and let it seat in the groove for a perfect seal. Each package contains three new seals. Lid sold separately. Select your size: 20 oz 30 oz or 40 oz
