The Buoy is a soft, stretchy silicone ring, designed to keep the wearer harder for longer. Its thick and soft silicone keeps the testicles down and keeps the testes from contracting, thus slowing down ejaculation. This small-sized Buoy has an unstretched internal diameter of almost 18 mm for a tight fit. Soft, Stretchable SiliconeDelays Ejaculation and Prolongs ErectionEnhances Size and ThicknessEasy to CleanTop Rack Dishwasher-SafeBleachableHypoallergenic, Nonporous, and OdorlessPhthalate Free, Body SafeWidth/Diameter: 1.75 in. (4.4 cm) Unstretched Inner Diameter: 0.7 in. (18 mm) Depth: 0.5 in. (12 mm)