Product Size: XXS: 19cm-27cm neck circumference XS: 26cm-34cm neck circumference S: 30cm-42cm neck circumference M: 38cm-52cm neck circumference L: 48cm+ neck circumference This dog muzzle is breathable and bite-proof to prevent food theft. Suitable for bulldogs, pit bulls, pugs, and other dogs with flat faces. Material: The muzzle is crafted from high-quality mesh and nylon. It is skin-friendly, soft, comfortable, breathable, and cool, with non-irritating properties. The three-hole design allows dogs to breathe freely, making it refreshing and easy to clean. Design: The special design with soft edges prevents the mesh from rubbing against the dog's eyes and nose. It features an adjustable nylon strap and a quick-release safety buckle, allowing customization according to head size, ensuring it does not fall off easily. The muzzle can fully cover the dog's mouth to prevent biting, barking, and licking. It has eyelets and does not obstruct the dog's view. Ideal for daily outings, training, walking, visits, and outdoor activities. The perfect design caters to flat and short-mouthed dogs, suitable for various breeds including certain bulldogs, French bulldogs, pugs, Boston terriers, and other short-snouted dogs.