Made of silicone with 5 sizes of diameter: 1.5”, 1.6”, 1.7”, 1.85” and 1.97”. Made from silicone & ABS. Fully waterproof. Package list: 1* cage portion; 5 * different rings; 2 * locking pins and 4 * spacers; 1 * brass padlock. To control or to be controlled, that is the question! The cage consists of three parts that fit perfectly together. The two guidance pins connect the top parts and the oval taper pin connects the rings with the cage. A variety of rings in different sizes and distance pieces will allow you to create the perfect size! A metal lock or tie-wrap lock can easily close the cage. The included tie-wrap locks ensure that they will not trigger the alarm of metal detectors at parties, festivals or even airports! The superior cage is equipped with a variety of vents and a urination opening. The cage makes it impossible to get an erection but once released the world is your oyster! The key-holder optimal power over sexual gratification!