Made of mesh fabric 100% polyester. There are five sizes and six colors available. Features: Helps keep your dog safe & especially at night. Soft padding design makes your dog more comfortable. Ideal for dogs that like pulling, escaping from harness. Compared with the leash, it has more virtues for pets like dogs and the other animals. It’s easy to control your puppy without choking its neck. The safety clip is located on the back of both arms connected to a double D-rings hook as leash.