Ginoland Men's Sport Bikini Adjustable Chástí-ty Device Smooth Material Breathable Briefs Male Underwear (40mm) Silver

Descriptions:
This item is made of stainless steel.
The ca-ge and ring are locked together with the included padlock. Once the padlock is locked there really is no escape (unless you have the key)

Features:
Ca-ge: 28mm in length, 35mm in diameter.
Ring Size: 40mm / 45mm / 50mm (for your choice).