Anti-bite and non-grinding silicone duckbill cover: It can effectively preven t unnecessary losses to others when walking the dog, and can well domesticate them. At the same time, the shape of this mouth cover looks more like a cute decoration, allowing you Dog looks more approachable.Material: made of silicone and nylon rope, durable, soft and comfortable.When youre out walking your dog, you and others around you wont have to worry about it barking, and itll also attract attention and won compliments.Professional design: Duckbill-shaped design, in line with the pet dogs mouth shape, effectively helps you train your pet, and can also be used as a cute decoration to make your pet look like a cute duckling and make it more quiet cute.Product size: This silicone duckbill cover has three sizes, S/M/LS size is recommended for puppies of 3-7 catties (the adjustable range of the head buckle is 18-30CM), and size M is recommended for puppies of size 8-15 (the adjustable range of the head buckle is 19-35CM) , L size is recommended for dogs of 15-25 catties (the adjustable range of the head buckle is 20-40CM)