The CB-3000 Red Male Chastity Device is a newly updated classic offering the best of comfort and security. The rings consist 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 CB-3000 Red is 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. The CB-3000 Pink restricts you from touching your penis for sexual pleasure and gives the Keyholder control over the sexual fulfillment of both partners.