Includes 3 different-sized rings for a personalized fit. Enhances size & girth. Wear singly or combine for added effect. Premium, hygienic silicone. Helps delay ejaculation and prolong erections. Easy to clean and top-rack dishwasher safe. Hypoallergenic, nonporous, and odorless. Width/Diameter: 2.25 in. (5.7cm) Depth: 0.4 in. (10mm)