The Perfect Extension is now available in black and in two lengths 7 inches and 9 inches. Each sold separately. The Perfect Extension Harnessed Extension was designed to answer countless requests for an extension that could be used with or without an erection yet soft and comfortable for your partner and at the same time rigid enough for easy penetration. This prosthetic device is 2 inches in diameter and has wide straps for comfort that are adjustable up to 50 inches. Easy to use. Plastic snap closures. Features: comfortable for user and partner. Soft outer sleeve with semi rigid inner sleeve. Designed for use with or without an erection. Wide straps are adjustable up to 50 inches. Phthalatess and latex free. The Perfect Black Extension from Doctor Love.