●Leak Proof:Are you still worried about by the leak of tumbler?The spill stopper is the perfect solution to prevent water leakage.Let you have a great drinking experience. ●High Quality Material:Our leak-proof stopper are made of high quality food-grade silicone to ensure durability and safety. ●Easy Installation:This spill stopper is easy to install. Just place it on top of the tumbler lid and gently rotate the straw to insert it slowly. ●Applicable Occasions:This is a practical spill stopper set, whether you are in daily life or travel, you can get rid of the bad experience of spilling water. ●3 Piece Set:Let our spill proof stopper set solves everything for you! Including 2 straw covers, 2 square leak stoppers, and 2 round leak stoppers.