Specifications: Made of premium polyester and nylon, this dog mesh muzzle is breathable and durable. This dog muzzle is adjustable to fit your pet's mouth better. With this dog, you can effectively prevent dogs from biting, messy barking, chewing and eating indiscriminately. It is suitable for flat short snout dogs. Item Name: Dog Muzzle Material: Polyester, Nylon Features: Adjustable, Breathable, Anti-barking Size Details: [Our Size XXS] Neck Circumference: 19cm-29cm/7.5"-11.4", Recommended Weight: 2kg-5.5kg (Approx.) [Our Size XS] Neck Circumference: 28cm-38cm/11.0"-15.0", Recommended Weight: 6.0kg-9.0kg (Approx.) [Our Size S] Neck Circumference: 36cm-48cm/14.2"-18.9", Recommended Weight: 9.5kg-13.5kg (Approx.) [Our Size M] Neck Circumference: 46cm-56cm/18.1"-22.1", Recommended Weight: 14.5kg-21.5kg (Approx.) [Our Size L] Neck Circumference: Above 55cm/21.7", Recommended Weight: Above 22.5kg (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Dog Muzzle Made of premium polyester and nylon, this dog mesh muzzle is breathable and durable. This dog muzzle is adjustable to fit your pets mouth better. With this dog, you can effectively prevent dogs from biting, messy barking, chewing and eating indiscriminately. It is suitable for flat short snout dogs.