The product is made of stainless steel.
The cage and ring are locked together with the included padlock. Once the padlock is locked there really is no escape (unless you have the key) .
Cage: 50mm in length, 35mm in diameter.
Ring Size: 40mm / 45mm / 50mm (for your choice).
Urethral Tube: 62mm in length, 6mm in diameter.
Through-hole: 3mm in diameter.
100% Brand New.
Comfort, Hypoallergenic and durable.
It is very secure, designed by human body tectonics
Easy to use and clean.