Cage fits secure To Backring, 3D design chastity device, made of resin, incredible design Total enclosure of penis to prevent any form of touching. Nano Cage Measuring approx. 31mm New hidden style lock - won't catch on clothing or allow tampering fingers to get at it Nano Size Micro Chastity cage With 4 Size back Rings included Stylish, Mega Secure And Lightweight, buy today as they wont last long at this crazy price