From Doc Johnson - The Perfect Present is a three-pack of thin cock rings made from soft, stretchy silicone for easy placement. Rock Solid cock rings enhance size and thickness for longer, harder erections, and are completely body-safe.Soft, Stretchable SiliconeDelays Ejaculation and Prolongs ErectionEnhances Size and ThicknessHypoallergenic, Nonporous, and OdorlessPhthalate-Free, Body-Safe