Material:Nylon webbing +Cotton surface Color:Black Package Include:1xDog Harness(No leashes) Features: Made of top quality nylon material.durable and strong Chest piece is soft padded for maximum comfort Non-pulling and Escape proof design,with durable metal buckle,safer when your dog wears it. There are connecting rings on both sides of the back and chest, which can be towed on both sides and pulled back. There are a little differences between size S and M,like the holes and buckles,please refer to the pictures Fits for Medium, large and extra large dogs.e.g. Pitbull,Boxer,Golden Retriever,Labrador,German Shepherd,Rottweiler,Doberman,Saint Bernard,Mastiff.etc. Size Details: S:Neck Adjustable 20