1 complete set for couples for the world's only Modular Sex System. More strap on fun. For those wide open to erotica, here is the phthalate free strap on Ultra Harness, with lifelike 8 inches non-toxic, multiple speed, vibrating, Ultraskyn white flesh cock. Comfortable black harness system fits up to 53 waist, includes plug. Black vinyl harness features open crotch, full back can be worn by both men and women. Red Vac-U-Lock plug attaches the 8 inches vibrating cock. Made using Ultraskyn material, or use with any of the attachments in the Vac-U-Lock system. Vac-U-Lock Complete Set includes Vinyl Harness, 8 inches Ultraskyn vibrating attachment, multiple speed controller, Vac-U-Lock plug, Vac-U-Lock Powder. Made using phthalate free, non-toxic materials: vinyl harness, ABS red plug, Thermoplastic Elastomers TPE cock and balls. A water based lubricant is recommended. Vac-U-Lock is a US patented harness attachment system. Vibrating sex toy requires 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. Safe for anal, vaginal, g-spot and prostate massage. Always clean before and after use. Details: Circumference5.65 inches. Dimensions 8.70 inches Length, 1.80 inches Width, 4.20 inches Depth. Insertable Length 7.50 inches. Doc Johnson Novelties Novelties The Great American Toy Company. Video.