COMFORTABLE DOG MUZZLE: Fits most dogs, really well made, can easily fold up and fit in my pocket, and use it when I need it. Velcro can be easily adjusted. Good helper for home, travel, pet training, pet shop, pet hospital, veterinarian. Helps dogs effectively correct bad habits such as unnecessary biting, barking and chewing. MORE HUMANIZED DESIGN: Keep the dog's mouth in a secure position so it doesn't fall out easily. Different from the traditional dog mask, by wearing the dog mouth cover, you can provide proper space for your dog's mouth to breathe, pant and drink. While preventing bites and muzzle for dogs used for safe socialization. ADJUSTABLE SIZE: The adjustable strap connecting to the neck helps keep the dog's muzzle securely in place, ensuring that it is snug and non-slip and the Velcro design can be adjusted to the most suitable size according to the shape of the dog's mouth . COMFORTABLE AND BREATHABLE: The muzzle uses a soft and breathable polyester fabric material. All dog muzzles are breathable, comfortable, strong, lightweight and eco-friendly, so your dog won't feel bulky when wearing them. It can be washed in a washing machine and laid flat to dry. CORRECT SIZE SELECTION: Includes 4 different sizes. Please measure the perimeter of the dog's front mouth and choose the appropriate size for your dog according to the size chart. Most dogs are not accustomed to wearing a muzzle at first, so we need to take the time to allow them to patiently adjust to the muzzle.