Length 83 mm, Diameter 35 mm. The CB-6000 Designer Collection Male Chastity Device offers the utmost in comfort and security. The ring design consists of three interlocking pieces that fit together like a puzzle. The 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. The finish of the Made of lightweight medical grade polycarbonate material. 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. The CB-6000 Designer Collection restricts you from touching your genitals for sexual pleasure and gives the Keyholder control over the sexual fulfillment of both partners.