The Donut is a classic shape C-Ring to help maintain those long-lasting erections you've always dreamed of. It's made from super stretchy TPE and it is completely phthalate-free and body-safe.
Approximate Product Dimensions: C-Ring, Width/Diameter: 2 in. (5.1 cm), Unstretched Inner Diameter: 0.9 in. (23 mm), Depth: 0.6 in. (14 mm)