Straps on, Stays on! Real Skin 8 inches curved dong with balls and a sturdy suction cup base. This Universal Harness will fit any dong and is compatible with all Nasstoys' Whoppers and Lifelikes. The adjustable straps guarantee a custom fit. Two ring sizes included to fit any girth dong. Materials Dong PVC, Harness polyurethane PU, Rings Metal.