The product is made of stainless steel.
The cage and ring are locked together with the lock. Once the lock is locked there really is no escape (unless you have the key).
Total length (including ring): 85mm.
Cage: 58mm in length, 33mm in diameter.
Urethral Tube: 135mm in length, 8mm in diameter.
Ring Size: 40mm / 45mm / 50mm (for your choice).
100% Brand New.
Comfort, Hypoallergenic and durable.
It is very secure, designed by human body tectonics
Easy to use and clean.