More functional design: With this muzzle, they can smell everything but eat nothing, avoiding everything they find outside. Dog Mouth Guards are a humane way to curb biting, barking, chewing, and other bad habits while keeping your dog dressed for maximum safety, maximum comfort, and maximum protection Please measure Size: 2 Size: S, M. size S Neck Circumference: 36cm4 8cm, recommended for 9.514kg dogs; size M Neck circumference: 46cm 56cm, recommended for dogs 14.521kg. The more humanized structure is different from the traditional dog mask, wearing a dog splint can provide enough breathing space for the dog’s mouth, sticking out the tongue, panting and drinking, the mouth does not hurt, suitable for french/english bulldogs, pugs, boston, shar pei and other short nosed dogs MORE COMFORTABLE FABRIC Made of breathable mesh and edgesoft fabric that prevents the mesh from rubbing against the eyes and nose. Durable nylon material, not overheating, soft and breathable, no odor, no