Protect your drinks - Keep out dust and prevent spills with these straw caps. Food grade material - Made of silicone, BPA-free, and safe for use. Wide compatibility - Fits water cups 40oz-20oz and all straws with an outer diameter of 0.4 inches. Increase water intake - Encourage children to drink more water with these cute straw covers. Easy to carry - Compact and portable, perfect for outdoor activities like camping or hiking. Description: Introducing our straw caps - the perfect accessory for your favorite drinks! These straw covers are designed to fit most straws up to 10mm in diameter, making them versatile and compatible with a wide range of cups and bottles. Made from food-grade silicone, they are not only durable and reusable but also easy to clean by hand or in the dishwasher. Our straw caps are not just practical, they also make great gifts for friends and family. With their airtight and dust-resistant design, they are perfect for outdoor activities such as camping, hiking, or even just a walk in the park. No more worrying about dust or splashes ruining your drink! But that's not all - these straw covers can also help encourage kids to drink more water. By sealing the straw when not in use, they effectively prevent dust and other foreign matter from entering your drink without compromising your health. The portable design of our straw caps makes them convenient to carry wherever you go. Whether you're heading out for a day at the beach or going on a camping trip, simply put one in your bag and you're good to go. They are suitable for outdoor sports, students, families, and even offices. Item Name: Straw Caps Material: Silicone Color: Mixed Color Features: Dust-Proof, Food Grade, Solid Color Size Details: Suitable Size: 1cm/0.39" (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: 4 x Straw Caps (One Each of 4 Colors)