1 complete set for couples for the world's only Modular Sex System. More strap-on fun! Included is an 5" Realistic Cock, The Ultra Harness, which fits up to 53", the Vac-U-Lock System plug, and a powder dispenser to make attaching and detaching your Vac-U-Lock attachments smooth and easy. Vac-U-Lock Modular System Ultra Harness 2 & Plug with 5" Dong Set 4 black vinyl harness with red Vac-U-Lock plug that you can use with the 8 inch vinyl rubber dong that comes with it. Securely strap on your nylon harness then attach any of a selection of dildos. This harness has an adjustable waist up to 44 inches, an open crotch for maximum comfort, easy access, and non-slip action. Designed to give you command and control for your erotic pleasures. Vac-U-Lock plugs attach with Velcro or snaps. Set 4 includes: dong, nylon harness, powder lubricant, plug. Phthalate free, non-toxic materials: Sil-A-Gel, PVC dong, ABS plastic plug. Recommended lubricants are water base. Waist size up to 53 inches.