Features: This silicone spill proof plug serves as a high-performance belly bottle stopper, exceptional sealing to prevent leaks in water bottles during outdoor activities or daily office use. Compatible with belly bottle cap, this reusable water bottle accessory assures your drinks stay secure and your bottle remains mess-free at all times. Features -Color:White -Material:Silicone -Size:2.30X2.30X1.20cm/0.90X0.90X0.47in -Note:Fits 10mm Hole Diameter -High sealing performance: the silicone spill proof plug provides a secure fit for belly bottle caps, ensuring no leaks or spills—even when the water bottle is tipped or shaken during outdoor activities -Compatibility: compatible with most belly bottle accessories, the reusable spill proof stopper easily fits various popular water bottle models, making it a practical replacement part for families -Durability and safety: made from stable silicone material, this water bottle silicone stopper resists high temperatures, is drop resistant, and maintains its sealing integrity under harsh conditions -Convenient: each set includes round spill proof stoppers for belly bottles, ample supply for homes or the office, and making it easy to equip multiple water cups with a reliable silicone stopper -Easy installation and cleaning: the water bottle lid plug is simple to install or remove from your water cup leak stopper slot, making cleaning and regular maintenance quick for daily use Package list: 20 x Bottle Leak Stopper