Designed for short nose dogs with or without breathing problems. Our Mesh Dog Muzzle is designed to restrict aggressive behavior while allowing short nose dogs to breathe normally.??This Professional Quality One Size Fits All. Short Nose Dog Muzzle greatly reduces the risk of dog bites. The length of the straps can extend to 12″ from the nose to the point behind the ears at the middle of the neck. Designed to restrict aggressive behavior while allowing short nose dogs to breathe normally. Features quick release tabs. Muzzles should only be used with direct supervision. Never leave a dog muzzled and unattended. Use for temporary restraint only.