This item is well made of premium silicone, which is light and soft, and comfortable for your pet to wear. It can not only effectively protect your dog from barking or biting things casually, but also protect your children when they are staying and playing with dogs. Adjustable strap fit most pet size._x000D__x000D_Features_x000D__x000D_- Color: Yellow._x000D_- Material: Silicone._x000D_- Size S: 10-13cm(Mouth Circumference); 1.5-4kg(Suitable Weight)_x000D_- Size M: 13-16cm(Mouth Circumference); 4-9kg(Suitable Weight)_x000D_- Size L: 16-18cm(Mouth Circumference); 9-15kg(Suitable Weight)_x000D_- Size XL: 18-20cm(Mouth Circumference); 15-35kg(Suitable Weight)_x000D_- Multi-holes design for great breathability and practical in use._x000D_- No plastic taste, safe and useful to keep you pet health._x000D_- Prevent dogs from eating in the street, prevent dogs from burying home, carpets and slippers, and prevent dogs from licking, prevent dogs from encountering strangers barking._x000D_- The belt is free to adjust and heavy duty, no easy to break. Comfortable for daily wearing._x000D_- When playing with a dog, your child is not familiar with the pet, which can lead to dangerous unpredictability and will accidentally injure the child.Packing list:1 x dog muzzle