The Curve® Chastity device is designed for the well-endowed. The Curve® is newly updated to incorporate the larger cage from the Classic Curve model, with the innovative U-ring design of all CB-X® devices. Trust that your monster package will fit comfortably and secure in The Curve® Chastity device. Product Features: 3 3/4” Cage Length. 1 1/2" inner diameter. Lightweight, Hypoallergenic, and Durable. Extremely Comfortable Ring Design. Secure and Reliable. Vented with functional openings for urination and easy cleaning. Material: Medical Grade Polycarbonate Kit Includes: The Curve® Cock Cage. #1-5 U-Ring Sizes for a Custom Fit (#1-2, #2-1 7/8, #3-1 3/4, #4-1 5/8, #5-1 1/2?) Various Locking Pins and Spacers for the most secure fit. Strong Brass Lock with 2 Keys. 5 Numbered Plastic Locks for safe TSA passage. Luxurious Zippered Carrying Case. Sample Premium Silicone Lube.