11. Professional design: The duckbill shape design conforms to the pet dog's mouth shape, which can effectively help you train your pet. It can also be used as a cute decoration to make your pet look like a cute duckling and make it more quiet and cute. 22. Silicone material: made of silicone and nylon rope, durable, stable, soft and comfortable. 33. Design: Duckbill-shaped design fits your dog's mouth shape, effectively helping you train your pet to be obedient. 44. Best gift: This is the best gift for family and friends who like to keep dogs. They will be surprised. 55. Behavior correction: It can prevent your dog some behaviors, like biting, barking, licking wounds and eating garbage, but your dog can still pant. Material: Silicone Suitable for pet weight and size weight: S size (1.5-3.5kg): 15*18-30cm, 50g M size (4-7.5kg): 17*19-35cm, 80g L size (7.5-12.5kg): 19*20-40cm, 100g 1*Dog muzzle