Fits Drinkware with Different Capacity: The lid is designed to fit SUNWILL 20oz/24oz travel tumblers. Please do not try to use it on any other cups. Some customers have tried to do this but it didn't fit in the end.
Premium Material & BPA Free: The silicone sliding lid designed for 20/24oz vacuum insulated stainless steel tumblers. It is made from premium clear raw material, BPA free, easy to clean, dishwasher safe and durable.
100% Spill Proof & Splash Resistant: The silicone part improves spill proof and splash resistant function, keeping your drinks on lock. The silica O-ring is leak proof, while the sliding cover is to add barrier for prevent the temperature escaping. Perfect option for on the go tumblers.
Straw Friendly: The drinking hole is wide mouth designed for direct sipping, fits stainless steel straight and bent straws.
Lifetime Customer Service: We provide limited lifetime warranty to ensure you 100% satisfaction with the purchasing.