The Master is designed for the ultimate climax. It's super comfortable and thick, to hold everything in place. Rock Solid cock rings enhance size and thickness for longer, harder erections, and are completely body-safe. Product Dimensions: Width/Diameter: 2" Unstretched Inner Diameter: 1" Depth: 0.7" Soft, Stretchable Silicone Delays Ejaculation and Prolongs Erection Enhances Size and Thickness Hypoallergenic, Nonporous, and Odorless Phthalate-Free, Body-Safe