1. Comfortable and breathable: The practical and reliable dog muzzle is made of quality black nylon material, offering a snug fit and durability. The interior is extra soft and padded, providing your pet with ultimate comfort while minimizing restraint and injury. 2. PRODUCT SIZES: Please carefully measure your dog's nose circumference and length to choose the correct size. The S size fits 14cm to 18cm, and the L size fits 16cm to 23cm. 3. Easy to use and clean: Open the hookandloop strap, place the muzzle over your dog's mouth, and adjust for the most comfortable fit. Ensure it stays secure and cannot be removed by your dog. Fasten the strap and adjust the head straps for stability. Features a buckle closure for added security. 4. PORTABLE DESIGN: Lightweight and compact, it folds easily for storage in a bag, making it ideal for outings.