Material: The dog collar is made of nylon, comfortable and breathable; the lining is made of diving fabric and soft mesh, which will not hurt your dog’s fur or skin Durability: The dog collar rings are made of durable stainless steel, with high load bearing capacity and tensile strength for large dogs, which makes the collar very durable. Safety: It has 3M reflective tape, when you take the dog out, the reflective tape can protect your dog, so you don’t worry about the dog’s safety. Half Collar Design: This design has a limiting effect on dogs, allowing you to train them well and not worry about being strangled. Size: M (neck 35-45cm) & nbsp; | & nbsp; Color: Black and red Large and comfortable This product is larger than traditional dog collars. It is more suitable for dogs, and it uses neoprene padding, which makes the collar more comfortable and breathable.