Prevent Leaks and Messes: The specially designed spill stopper for the 40/30 oz tumbler with handle is the perfect solution to leaks and messes. No need to buy a tumbler replacement lid, just install our silicone leak-proof stopper and enjoy a hassle-free drinking experience. For Version 1.0 40/30oz Water Cups Only: The accessories includes 2 straw cover cap, 2 square spill stopper and 2 round leak stopper, compatible with version 1.0 Inverter 40oz and 30oz only. Note: Straw not included. The perfect accessories for Cups. Spill Stopper Kit: The straw cover cap prevents water from spilling out and also stops debris and dust from entering. The square spill stopper seals and secures the straw hole. The round leak stopper has a -over opening to that air enters when drinking, making it easy to drink. The tight seal prevents drinks from leaking, so you can enjoy both and cold drinks without worrying about water leaking out and your clothes or backpack dirty. Easy to Install: Very simple to install, the round leak stopper is fitted in the middle of the lid for sealing. The square spill stopper is installed sealingly in the straw hole of the lid and the straw cap is fitted over the straw. Perfect for use , in the office or . Premium Silicone Material: Set of 3 spill stoppers made from premium food grade silicone, more and healthy than lower quality plastic alternatives. reusable. Very easy to clean, rinse with water or put in the dishwasher. Colour:White+Pink+Blue Material:Silica gel Package Contents: 6 x Straw Cover Cap 6 x Square Spill Stopper 6 x Round Leak Stopper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.