The Uplift does just that—lifts and separates the shaft from the balls for extreme support. The hygienic silicone C-ring gives you two rings in one with light stretch so it fits snug while being worn. The unstretched rings have internal diameters of 35 and 20 mm. Soft, Stretchable Silicone Larger, Harder Erections Enhances Size and Thickness Easy to Clean Top Rack Dishwasher Safe Bleachable Hypoallergenic, Nonporous, and Odorless Phthalate Free, Body Safe Width/Diameter: 2 in. (5.1 cm) Unstretched Inner Diameter: 1.18 in. (30 mm) Unstretched Inner Diameter: 0.98 in. (25 mm) Depth: 1.8 in. (44 mm)