• Medium boot dimensions: 9.1 cm in diameter x 4.6 cm in height, suitable for 32 oz to 40 oz water bottles. • Compatible with most bottle brands, including Hydro Flask, Thermo, and Vmini. • Provides maximum protection against dents, scratches, and damage, as well as reducing noise when placing the bottle. • Made of safe, BPA-free silicone, suitable for all ages and active lifestyles. • Ideal for sports and outdoor activities such as hiking, camping, and yoga. • Can be used as a portable travel bowl for dogs. • Washable and reusable, made of soft, durable, and flexible silicone material.