Straps on, Stays on! Real Skin 8" vibrating curved dong with balls and 3 speeds 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. Material: Dong - PVC, Remote - ABS, Harness - PU, Rings - Metal. Phthalates free RoHS compliant. Requires 3 AA batteries (not included).