1. Measure before The muzzle is suitable for small, medium, and large dogs from sizes XS to XXL. Size XS fits dogs with a snout circumference of 8.75 9.5 inches and a snout length of 2.25 inches. This adjustable muzzle is suitable for dog breeds such as Corgi Mix, Husky, Malinois, and Doberman. Please measure twice before . Important note: choose the size based on the actual snout circumference and width of your dog. 2. Front opening design Thanks to the innovative frontopening design, this mesh muzzle offers better breathability than fully enclosed muzzles, ensuring proper airflow for your dog. It won't restrict breathing or cause discomfort. The front opening also allows you to reward your dog with treats. 3. Adjustable muzzle The front opening features adjustable straps, making it easy to fit to your dog's snout shape for a secure and comfortable fit. This design also prevents mischievous or active dogs from escaping the muzzle during outdoor walks. 4. Correct bad habits This dog muzzle effectively prevents biting, chewing, excessive barking, poopeating, woundlicking, and other unwanted behaviors while providing protection for your dog and those around them. It's a safe solution for situations involving aggressive behavior or crowded environments. With this biteprevention muzzle, your dog can still drink, pant , and receive treats.