PERFECT DESIGN: The design gives full coverage of dog's mouth, avoid biting, barking and licking, or eating dirty food from outside. Suitable for daily outing, training, walking and other outdoor activitiesBREATHABLE & COMFORTABLE: Fully breathable mesh with exquisite edge, prevents the mesh from rubbing on eyes and nose. It is convenient for dogs to breathe freely, no overheating, easy to cleanADJUSTABLE STRAP: The adjustable nylon strap with a quick release buckle, the safety buckle is not easy to fall off and can be adjusted according to the size of the headDURABLE MATERIAL: Made of breathable mesh and durable nylon, skin-friendly, soft and breathable, no odor, no irritant, makes the dog's muzzle comfortableSUITABLE SMALL MEDIUM LARGE DOGS: There are 4 sizes to choose from: XS, S, M, L. Neck circumference size XS: 14.2-18.9 inches, it is recommended for dogs under 6-9 kg. Neck circumference size S: 14.2-18.9 inches, it is recommended for dogs under 9.5-14 kg. Neck circumference of size M: 18.9-22 inches, it is recommended for dogs weighing less than 14.5-21.5kg. Neck circumference of size L: 22-25.6 inches, it is recommended for dogs weighing more than 22kg,"