Strike-Skin Self Defense Training Aide ***BOB Punching Bag NOT Included Strike-Skin is made of 91% Polyester, 9% Spandex which allows the product to be very flexible and durable Strike-Skin fits on regular BOB punching bags as well as BOB XL punching bags Strike-Skin is machine washable Allows users of all ages and genders to develop pinpoint striking techiques ***BOB TORSO TRAINING BAG SOLD SEPARATELY