Take control of your erotic pleasures with the Doc Johnson Vac-U-Lock Ultra Harness with Plug! This harness has an adjustable waist, up to 53 inches, an open crotch for maximum comfort, easy access, and non-slip action. It's perfectly designed to give you command. The Vac-U-Lock Ultra Harness can be used by women or men. The opening under the plug attachment is high enough to allow a man's penis to hang below. Just add your favorite Doc Johnson Vac-U-Lock attachment and you're ready to go! Harness fits waist sizes between 26 and 53 inches (66-134.6 cm).