Features: Easy to wash: You can wash the dog mouth cover with some soaps under the water tap. And then you can can hang up the dog mouth cover for naturally dry. Need adaptation period: Your dog needs a period of time to accept the dog muzzle. You can make your dog be interested with the dog muzzles, and then try to put on the dog muzzle for your dogs. Please observe your dog’s action carefully when your dog wearing the dog muzzles. Please don’t worry too much. Specification: Material: TPR Color: black Size: as shown in the pictures Package includes: 3 x Dog muzzles Note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.