Commander Silicone Harness Ribbed Dong Black from Nasstoys. Adjustable straps for a comfortable fit. Compatible with most harnesses. Detachable suction cup dong. Couple friendly. Screw on, screw off. Waterproof, non-vibrating dong. Phthalates free RoHS compliant material 100% silicone with metal clasps. Adjustable harness size width 6.5 inches, height 5 inches, wide straps adjust to fit up to a 60 inches waist. Dong size length 6.5 inches, width 1.375 inches, circumference 4.38 inches.