Vac-U-Lock Platinum Edition Corset Harness Black Accessory. The Corset Harness is made for comfort and rigorous play. It's the epitome of trendy and it is easily adjustable to 69" with pull-to-tighten straps, open crotch and rear, laced corset back, along with a snap front for swapping out attachments. Made from smooth black neoprene, the Corset harness works together with all Vac-U-Lock attachments in addition to strap-on compatible toys. Includes two O-rings. Created for use by men and women. Washable. Dimensions waist size: as much as 69 inches. Material Neoprene. Vac-U-Lock Platinum Edition Corset Harness is really a registered trademark for Doc Manley Novelties The Truly Amazing American Toy Company