Size: 26-30cm it offers maximum safety, maximum comfort and maximum protection It is extremely resistant and durable, but its intelligent design allows you to feed your dog while he wears it Ergonomically designed safety straps ensure the muzzle will always stay securely in place and features two additional secure attachment points The buckle at the bottom is designed to attach to your dog’s regular collar An optional, removable safety strap is also available The also features a secure metal buckle with a pre-strap -perforated, making it fully adjustable, quick and easy to place For a better fit, it can be molded by heating it in hot water, then cooling it cold to create a wider or narrower muzzle as needed