Vac-U-Lock Platinum Edition Corset Harness Black Accessory. The Corset Harness is built for comfort and rigorous play. It is the epitome of stylish and is easily adjustable to 69 inches with pull to tighten straps, open crotch and rear, laced corset back, and a snap front for swapping out attachments. Made of smooth black neoprene, the Corset harness works with all Vac-U-Lock attachments as well as strap on compatible toys. Includes two O-rings. Designed for use by women and men. Washable. Dimensions waist size: up to 69 inches. Material Neoprene. Vac-U-Lock Platinum Edition Corset Harness is a registered trademark for Doc Johnson Novelties The Great American Toy Company. Vac-U-Lock 2021.