【Perfect Fit】This spill proof replaceable tumbler flip straw lid designed for Stanley 30 oz tumblers , including Stanley Adventure Quencher Travel, Stanley H2.0 FlowState tumblers.（Not fit Stanley iceflow） 【Advanced Leak-Proof Design】Designed to prevent leaks and spills, the excellent seal gives you complete peace of mind when carrying, exercising and drinking without worrying about splashing liquids and enjoying a delicious drink. 【Premium Materials】This tumbler leak proof lid replacement crafted from BPA free, food grade plastic, no odor, reusable;The reusable straw lid is easy to wash and keep clean. 【Convenient Flip Straw】Foldable straw design, easy to drink, hygienic and convenient, prevent dust from entering the cup .The leak-proof design allows you to use your water cup more casually without worrying about leaks. 【Comprehensive Set】The set includes 2 pcs replacement flip straw lids, 2 pcs reusable straws to enhance your experience,for yourself, family, friends, or for spare 2 Pack 30 oz Tumbler Flip Straw Lid for Stanley Quencher Leak Proof Lid Replacement for Stanley H2.0 Flow State Tumbler, Spill Proof Reusable Lid for Stanley Tumbler Cup