Get versatile fun with the Vac-U-Lock Ultra Harness! The included Vac-U-Lock component is compatible with all Vac-U-Lock dildos and accessories. Adjustable up to 53 inches around, it has an open crotch design, making it perfect for both men and women. The flexible design lets you add your preferred toy, for an ingenious and multifaceted pleasure system that is great for every desire. Measurements adjustable from 26 to 53 inches around. Materials ABS plastic, PVC. Color Black. Note comes with harness and plug attachment. Works with Vac-U-Lock compatible dildos, sold separately. Please note the box states 44 inch but the actual adjustment is up to 53 inch.