Features 1. Good protection: protective silicone sleeve, advanced shock absorbing silicone material helps protect against dent, scratch and damage from daily use. 2. Well-fit: available in 2 sizes that allow for a flexible fit on the 12-24 oz bottles or the 32-40 oz containers, small is 2.75 inch in diameter, 1.96 inch in length, large is 3.54 inch in diameter, 1.96 inch in length. 3. Various colors available: you can get silicone cases in different colors, include black, navy, sky blue, pink, etc, you can choose the same color with your bottle or different ones to create your own scheme the way you want it. 4. Safe design: protective silicone boot are made of silicone, non-toxic, and no any hazardous chemicals contained, safe for most ages including children and your pets. 5. Practical accessory: ideal for various outdoor activities, and durable for any surface to fully protect your bottles. Specification Material: Silica gel Color: Black, Light blue, Grey, Purple, Dark green, Pink, Light pink, Black and white, White, Multicolored, Blue, Red black Size: 8 x 5 cm, 9 9 5 cm Weight: 38 g, 45 g Fit Capacity:12-24 oz, 32-40 oz Package Include: 1 Water Bottle Sleeve Cover