Color: Black Material: iron Size: M: Rear mouth circumference: 30 cm, dog mouth length: 9 cm, neck circumference: 50-60 cm, forehead 16-22 cm L: Rear mouth circumference: 38 cm, dog mouth length: 13 cm, neck circumference: 58-74 cm, forehead 16-22 cm XL: rear mouth circumference: 54 cm, dog mouth length: 14 cm, neck circumference: 59-80 cm, forehead 16-22 cm XXL: back mouth circumference: 55 cm, dog mouth length: 15 cm, neck circumference: 55-74 cm, forehead 16-22 cm Weight: M: 180g L: 260g XL: 280g XXL: 300g Package Include: 1 * Metal Dog Muzzle This is a durable basket dog muzzle for dogs which is made out of high quality genuine leather and metal wire basket. This dog muzzle is perfect for preventing dog biting or eating off the ground. Mind that before you put the muzzle your dog must be trained for this. Train a Dog to Accept a Muzzle. The dog who never trained for muzzle will definitely try to pull it off immediately. And obviously after several attempts dog can escape from any type of muzzle. Muzzle is the type of accessory that is only meant to be used for short periods of time, and only when your dog is supervised. muzzles are used to prevent dog bites. They are not for preventing problem behaviors by forcing your dogs mouth closed. Do not use a dog muzzle for barking, chewing, or other ongoing behavioral problems. If you believe that muzzle is a must have for your pet, please ask for professional advice from dog trainer.