Xtend It Kit Ribbed from Doc Johnson. Get ready for a UR3 penis extension kit with stimulating pleasure ribs! The ribbed texture provides incredible arousal while the sleeve extends length and enhances girth. Each Xtend It do it yourself DIY kit includes a ribbed hollow 8 inches sleeve, featuring a 1 inch extension already built into the firm head, and a plush 2 inches extension for inserting into the tip of the sleeve. Simply trim the ends of each UR3 piece for 1 inch, 2 inches, or 3 inches of a completely personalized penis extension. Made of phthalate free body safe material