Features 1. Better Protection: Silicone water bottle protective sleeve helps protect your cup from collision, scuffs, and scratches. Extends the life of your water bottle and reduces noise when placing it on a table, preventing unwanted clanking on counters or tables. 2. Premium Material: This bottom boot is made of food-grade silicone, soft, flexible, BPA-free, odor-free, reusable, durable, and safe. Suitable for all ages. 3. Perfect Fit: The silicone protective sleeve is designed to fit water bottles with a diameter between 2.67-3.07 inches. Easy to install and remove. Proper size and lightweight design make it convenient to carry and store. 4. Before installation, clean the bottom of the tumbler, then slowly place the silicone boot on it and press to remove air. Reusable and easy to clean by hand washing. 5. Ideal Decoration: This bottom sleeve serves as a great accessory for daily use. Choose a color that matches your water bottle to enhance its style. Specification Material: Silicone Color: Multicolor Size: 4.5 x 7.5 cm Weight: 38 g Package Include: 1 x Silicone Water Bottle Bottom Sleeve