Male chastity device offers comfort and security. The ring design consists of three interlocking pieces. Two guide pins hold the top pieces together. The oval locking pin goes through the middle recessed hole connecting the cage portion to the ring. The flat design of the rings is extremely comfortable and secure. Made of medical grade polycarbonate material. It is lightweight, hypoallergenic and durable. The cage portion is vented for hygiene and has a bottom opening allowing use at urinals. The different size rings and spacers included in each package allow you to customize your fit to your individual needs.Package includes: 1 cage portion, 5 different size rings, locking pins and spacers, one brass padlock, five individually numbered plastic locks. Measures 2.5 inches long, 1.38 inches inside diameter. Five rings have inside diameters of 1.5 inches, 1.63 inches, 1.75 inches, 1.88 inches, 2 inches. Comes with black zippered carrying case.