✅𝑷𝒆𝒓𝒇𝒆𝒄𝒕 𝑭𝒊𝒕: We will provide you with 2 pieces of replacement lids for tumblers.In order to avoid you to buy an inappropriate size lid, before buying please confirm the inner diameter（3.7-3.73 inch） of the cup carefully. 💯𝑯𝒊𝒈𝒉 𝑸𝒖𝒂𝒍𝒊𝒕𝒚 𝑴𝒂𝒕𝒆𝒓𝒊𝒂𝒍: This 30 oz tumbler slider lid is made of top food grade AS plastic which is high transparency,BPA-free,Environmentally friendly, sturdy and non-toxic & dishwasher safe. 🥤𝑺𝒕𝒓𝒂𝒘-𝑭𝒓𝒊𝒆𝒏𝒅𝒍𝒚 𝒂𝒏𝒅 100% 𝑺𝒑𝒊𝒍𝒍-𝑷𝒓𝒐𝒐𝒇: The leak-proof lid is designed with a silicone gasket to prevent splashes and major spills when the cup is turned over.Good air tightness design keeps your beverage warm and cold longer. 🙌𝑬𝒂𝒔𝒚 𝒕𝒐 𝑼𝒔𝒆: The replacement tumbler lid is designed with a sliding button that easy to slide and practical.The hole on the top of the cup can be used directly or with a straw，practical and convenient. ✨𝑾𝒉𝒂𝒕 𝒀𝒐𝒖 𝑾𝒊𝒍𝒍 𝑮𝒆𝒕: Including 2* clear spill proof and splash resistant tumbler lids, 30 oz. We provide 100% satisfaction after sale service.If you are not positively thrilled with our tumbler lid, please contact us and we will make every effort to solve your problem. We will provide you with 2 pieces of replacement lids for tumblers.In order to avoid you to buy an inappropriate size lid, before buying please confirm the inner diameter（3.7-3.73 inch） of the cup carefully.