Safe muzzle with strategic addition of struts at front nose area to eliminate all possibilities of biting. Easy to fit , Step-less collar adjustment. Dog friendliness in terms of feeding (kibble and water) and panting. The material is extremely tough and durable, yet flexible and soft. Fits Breeds: Beagle, Cocker Spaniel, Scottish Terrier, Border Collie, Staffordshire Bull Terrier.