The PetSafe Gentle Leader No-Pull Dog Headcollar is designed specifically for dogs weighing between 25-60 pounds. This lead collar is made of durable nylon material and features an adjustable design for a comfortable fit. It is suitable for all breeds and is easy to put on with its unisex design. The Gentle Leader Head Collar is an effective tool for controlling your dog's pulling behavior during walks, making it a popular choice among pet owners looking for a reliable solution.