The Nylon Soft Dog Muzzle is designed to provide comfort and safety for your dog. It is made of durable, high-quality nylon that can withstand daily use. The muzzle is adjustable, allowing you to find the perfect size for your puppy. There are different sizes to choose from to suit different breeds, ensuring safety and comfort. This muzzle is not only bite-proof, but also bark-proof and chew-proof, making it a versatile tool for training and daily walks. It is especially useful for aggressive and energetic puppies. The muzzle prevents bites and helps control bad behavior. It is easy to put on and take off, and the adjustable loop ensures a secure fit. When purchasing the Nylon Soft Dog Muzzle, please check the product description section or the video in this product listing (XL-Black) for instructions on how to train your dog to accept the muzzle. To ensure the correct size, measure the circumference of your dog's mouth and neck. The second picture in the listing provides a size chart to help you choose the right size. If you are hesitant between two sizes, it is recommended to choose the smaller size for a better fit. This product is available from Bazhou Store, a trusted source of high-quality pet products.