Trusted by millions of pet owners, the PetSafe Gentle Leader Dog Headcollar allows pet parents and owners to communicate painlessly and effectively in a way their dog instinctively understands. Bad behaviors such as pulling, lunging and jumping are quickly and easily eliminated with the leader dog headcollar. When a dog wearing this dog headcollar begins to pull away, subtle pressure is applied to calming points along the nose loop. Fits most dogs 60 to 130 lbs.; see sizing chart for complete fit information The number one recommended headcollar by veterinarians and trainers Dog headcollar is ideal for heel training Fully adjustable neck strap and nose loop for comfort Straps have durable nylon weave for long-lasting use Nose loop is padded for extra comfort Allows dogs to eat, drink, pant, fetch and bark When your dog begins to pull away, subtle pressure is applied to calming points along the nose loop Prevents uncomfortable or dangerous pressure from occurring to the throat area