Features Best accessoris for your loved pet. Prevents your dog from biting, barking and chewing things, great to prevent your pampered ones from chewing furniture. Easy to use and clean. Effectively prevent dog picked wild unclean food. The effective prevention of dog& 39;s barkin. Descriptions: Soft and comfortable, the size can be adjusted. For the dog with, avoid dog unintentional injuries to passers-by. Specifications: Material: silicone Color: yellow Size: S, M, L Size/ Mouth Perimeter/ Rear Head Perimeter S about 12cm about 27cm M about 15cm about 33cm L about 16cm about 35cm Package Included: 1 x Dog Muzzle Mouth Mask Notes: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.