1 complete set for couples for the world's only Modular Sex System. More strap-on fun! 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 inches, 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, 8 inches Ultraskyn 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. Vac-U-Lock is a US patented harness attachment system. Details 8.70 inches Length, 1.80 inches Width, 4.20 inches Depth. Insertable Length 7.50 inches. Waist size up to 53 inches. Harness inner diameter 1.77 inches. Video