Lifetime Customer Service: We provide limited lifetime warranty to ensure you 100% satisfaction with the purchasing.
Straw Friendly: The drinking hole is wide mouth designed for direct sipping, fits stainless steel straight and bent straws.
Spill Resistant and Splash Resistant: The sliding cover improves spill resistant 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.
Fits Drinkware with Different Types: The lid is designed to fit SUNWILL 14oz coffee mugs and 20oz travel tumblers Only. 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.
High-quality Material & BPA FREE: The sliding lid is specially made for 14/20oz vacuum insulated stainless steel tumblers. Crafted from top-notch clear material, it is BPA free, simple to wash, safe for dishwasher use, and long-lasting.