The roughest games sometimes take their toll. With these spare U-rings for CB-X penis cages, you are sure that you always have a spare part that you can use if necessary. Like the standard rings, these transparent rings are easy to attach to your CB-X chastity cage. The plastic material is strong, durable and easy to clean with water and toy cleaner. The set consists of 2 U-rings with varying inner diameters: 5,2 and 5,5 cm.