Description If you are looking for a Belly Bottle Cap Spill Proof Plug, this will be your choice. It adopts silicone material, so you can keep it for longtime. Features -Color:Transparent -Material:Silicone -Size: 3.00X3.00X0.70cm/1.18X1.18X0.28in - The material is safe and Lighty, which is practical for the lasting time use. - Belly bottle cap spill proof stopper is mainly designed to prevent water spilling, also, replace the spill proof stopper frequently that can prolong the lifespan of your belly bottles. - Features the simple appearance, very convenient and easy to install. Fine workmanship its exquisite details - With the nice sealing performance, they can effectively prevent water leakage, convenient to replace - It has a simple design, but very practical in use, giving you a experience Package list: 2 water bottle belly cup spill proof stoppers