Size M (Circumference: 8.75–9.5 in, Length: 2.25–3 in) — Medium dog muzzle that fits breeds such as Border Collie, Beagle, Corgi, and similar snout shapes. Not suitable for aggressive dogs, anxious dogs, or flatfaced (brachycephalic) breeds like Bulldogs. Always measure your dog's snout circumference and length using the size chart or video before ordering. The muzzle should fit comfortably with the nose not touching the edge. Why this muzzle matters Safe restraint without silencing: semienclosed design prevents biting, eating foreign objects, and chewing furniture while still allowing panting and drinking. Useful when you need temporary control but still want your dog to breathe and cool down. Comfortable, breathable construction: lightweight breathable mesh and an openfront profile reduce heat buildup and nose irritation for longer, more comfortable wear during walks and vet visits. Quick and easy to use: adjustable neck strap and quickrelease buckle let you put the muzzle on or take it off in about 30 seconds, reducing stress for both you and your dog. Key features Exact size: M — Circumference 8.75–9.5 in, Length 2.25–3 in. Material: soft, breathable mesh for ventilation and comfort. Design: semienclosed muzzle that prevents biting and scavenging while allowing panting and drinking. Fast fit: adjustable strap + quickrelease buckle for easy on/off. Safety note: not for extended wear; supervision required. Not intended for aggressive or anxious dogs or brachycephalic breeds. Practical applications (real situations) Vet appointments and grooming: keeps your dog calm and safe during exams, nail trims, and grooming without blocking panting. Walks and social introductions: prevents scavenging or unwanted barking during neighborhood walks or when meeting unfamiliar dogs and people. Home situations: useful while cooking, during house training, or when you need to prevent chewing of furniture or eating hazards. Training and usage guidance Initial resistance is normal. Dogs often try to remove a muzzle the first few times. Use gradual, positive reinforcement (treats and praise) and follow the stepbystep training methods in the usage video and instruction manual included with each muzzle. Patience and consistent training are required—this tool restrains but does not behavior training. Not for extended wear; always supervise your dog while muzzled. Care and safety Mild odor may be present after prolonged sealed . Air out in a cool, ventilated area for a few days or wash with mild detergent and air dry. The muzzle is nontoxic and safe for your dog's health. Verify fit: measure snout circumference and length per the size chart/video. Ensure the nose does not touch the muzzle edge and that your dog can pant . Customer support We provide assistance for sizing and product quality before and after . Each muzzle includes a detailed instruction manual; please read it thoroughly and contact us if you need help with fit, training, or product concerns.