Check the listing for details. Male Plastic Chastity Cage Penis Locking Device Lightweight Customizable CBT. Color: Clear, Condition: New. Listed at 94.21 USD. This breathable, lightweight plastic chastity cage is perfect for chastity enthusiasts that want something more comfortable than heavy metal. The plastic is more forgiving than the heavy drag than metal and is perfect for long-term wear. The breathable design makes it easy to clean and allows the crevices to fully dry between showers so the cage is hygienic and safe to use. Enjoy the exciting feeling of being locked up! The smooth, hard plastic keeps your member contained and the secure locking system includes two keys and locks the cage in place without the need for a padlock to get in your way during wear. Both the wearer and the keyholder can enjoy the semi-transparent black cage and the captive member within it. Adjust for the perfect fit using one of the 4 graduated rings.