1 complete set for couples for the world's only Modular Sex System. Ultra Realistic Cock and Harness Set Securely strap on your harness then attach any of a selection of dildos. This harness has an adjustable waist up to 53", an open crotch for maximum comfort, easy access and non-slip action. All designed to give you command and control for your erotic pleasures. Ultra Realistic Cock and Harness Set Securely strap on your harness then attach any of a selection of dildos. This harness has an adjustable an open crotch for maximum comfort, easy access, and non-slip action; all designed to give you command and control for your erotic pleasures. The Vac-U-Lock plugs attach with snaps. Vac-U-Lock Complete Set includes vinyl harness, 6" UR3 attachment, Vac-U-Lock plug, Vac-U-Lock Powder. Vinyl harness features open crotch, full back. Made using phthalate free, non-toxic materials ABS plastic plug, PVC cock, balls, vinyl harness. Recommended lubricants are water base. Sil-A-Gel is an antibacterial, non-toxic formula plus latex free, Cadmium free. Odorless. Safe for anal, vaginal, g-spot and prostate massage. Always clean before and after use. Details: Dimensions Usable Length 6 inches, Diameter 1.50 inches. Insertable Length 6 inches. Waist size up to 53 inches. Harness inner diameter 45mm. Doc Johnson Novelties Novelties The Great American Toy Company. New image added May 22, 2013.