All CB-X chastity kits include U-ring sizes #1-5. For those who may need to size up from the largest size included in a CB-X kit, consider purchasing this Extra Large u-ring with a 2 ¼ inches inner diameter.

Product details:

• Compatible and interchangeable with all CB-X chastity devices
• Available in clear, black, and pink

Measurement:

• Inner diameter 2 ¼ inches (57.2mm)

Material:

• Lightweight, medical-grade polycarbonate plastic

Includes:

• One XL chastity cage uring

For a smaller size, shop the Size Large U-Ring.  If you're unsure which larger-sized ring is best for your fit, consider purchasing both the Large and X-large, which are sold in a 2-pack (includes: 1 x Large, 1 x XL).

Prior to purchasing, review our Size Guide for assistance in measuring your base circumference.