1: APPLY TO YOUNG DOG: The bite sleeve perfect for entry level dog training. 2: PLASTIC HANDLE: Handle works great for tugging with your puppy and allow to hang it in the wall. 3: MATERIAL: The dog training arm bite sleeve is equipped with high quality inner, hard handle and strong flexible outer one. 4: SPECIALLY DESIGNED: The middle part of this dog biting sleeve is detachable. The bite area is specified by stitching at the cover.