Features: Silicone: Our straw toppers are made from premium, food-grade silicone that is safe and sturdy. They can withstand daily use and are easy to clean. Perfect Fits: With a diameter of 10mm, these toppers are designed to fit perfectly on your 40 oz tumblers straws. They provide a secure-seal, prevent spills and leaks. Fun Designs: Choose from a variety of fun designs to match your mood or style. Whether you're feeling playful, adventurous, or sophisticated, we have a design for you. Easy to Use: Simply slide the topper onto your straw for a secure fit. It's easy to remove for cleaning and is dishwasher safe. Versatile: Perfect for both hot and cold beverages, our silicone straw toppers enhance your drinking experience while adding a touch of personality to your tumblers. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Silicone Specifications: 5 pieces Weight: 65g Package List: 5PCS Straw Cover Cap