From Doc Johnson - The soft silicone cord is fully adjustable to fit everyone with the Secur-Lok system, making it easy to tighten or loosen. DuraTech made-to-fit materials not only stand the test of time but also hold up through many uses.
Approximate Product Dimensions: Adjustable C-Ring, Adjustable From 0.7 in. (18 mm) to 2.5 in. (64 mm), Depth: 0.2 in. (5 mm)
