For safety when walking with biting and chewing dogs, Mayerzon's Mesh Covered Dog Muzzles are the best choice for you.Soft-Sided Muzzles will stop biting and chewing behaviors in dogs and allow dogs to pant and drink without removing the muzzle.Made of soft full-covered meshResistant to abrasion, puncture, and tearAdjustable nylon strapEasy to useWashablePlease refer to the size chart before purchase, and you need to measure the snout circumference and length to get the right size.* XS--Snout circumference: 4.3"-6.3", Snout Length: 2.2"-2.6"* S--Snout circumference: 6.3"-8.3", Snout Length: 2.4"-3.0"* XS--Snout circumference: 8.3"-10.3", Snout Length: 2.8"-3.4"* XS--Snout circumference: 10.3"-12.3", Snout Length: 3.0"-3.8"Why We Love It:1. Soft-Sided Muzzles stop biting and chewing behaviors in dogs and allow dogs to pant and drink without removing the muzzle.2. There are several circumstances in which you might need a muzzle for your dog -- for grooming visits, veterinary visits, and for dogs that act aggressively towards other dogs.Caution: Be sure to select the correct size of the muzzle by measuring the dog?s snout before purchasing. Always directly supervise pets wearing muzzles as they may inhibit a dog's ability to pant and cool themselves.