Description If you are looking for a Belly Bottle Cap Spill Proof Plug with reliable material, I will tell you that our spill proof stoppers will be your best choice. It adopts silicone material, so you can keep it for longtime. You can use thesespill proof stoppers with confidence, very useful and leakproof. Features -Color:White -Material:Silicone -Size:2.50X2.50X0.70cm/0.98X0.98X0.28in - The silicone material is safe and lightweight, which is wear resistance and practical for lasting use. - Belly bottle cap spill proof stopper is mainly designed to prevent water spilling, prolong the lifespan. - Features the simple appearance, very convenient and easy to install. Fine workmanship, has details. - With the nice sealing performance, they can effectively prevent water leakage, convenient to replace. - This spill proof stopper has simple design, but very practical in use, giving you a good using experience.Package list: 5 x bottle spill proof stoppers