The cross-opening design ensures easy drinking and prevents debris and dust from entering.To create a seal and hold the straw in place, this straw cover fits into the straw hole in the lid.As a perfect on-the-go cup accessory, this straw cover keeps your drinks spill-free.Made from food grade silicone, this straw cover is reusable, BPA free, and dishwasher safe.Say goodbye to leaks and spills with our splash-proof and leak-proof straw cover! Description: Introducing our straw hat with straw stopper! This innovative accessory is perfect for anyone who loves to drink on-the-go. The straw tip cover hat prevents water from spilling out of the straw, while the square spill stopper seal fits into the straw hole of the lid to create a seal and hold the straw in place. With its cross-opening design, it ensures air entry when drinking water, making drinking water easier. Made from food grade silicone, it is reusable, BPA free, and dishwasher safe. This splash-proof, leak-proof, and spill-proof accessory is a must-have for anyone who wants to keep their drinks clean while on-the-go. Get yours today! Item Name: Straw Cover Material: Silica Gel Features: Cross-opening Design, Dust-proof, Leak-proofCapacity: 30oz, 40oz Size Details: Length: 6cm/2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Straw Cover2 x Square Spill Stopper2 x Round Spill Stopper