CB6000s is so comfortable that you soon will not even realize you have it. With the silicone version that's doubly true because the elastic material adapts perfectly to the body. Under the clothing it is completely unobtrusive, although when trying to erect, the cage moves a little forward from the body. If you already have plastic CB6000s, you can combine their single parts. For example you can use the silicone ring, if the plastic one is too hard for you, and the plastic cage. Size: inner diameters of the rings: 38, 41, 45, 48 and 51 mm cage measures: length 6.4 cm, width 3.5 cm Color: Black, Transparent, Blue Material: Silicone Package includes: 5 rings with various diameters 1 penis cage 4 connection parts with various length 1 padlock with 2 keys 1 practical woven bag