Penis rings are the simplest way to get harder, longer-lasting erections for your playtime. Experience multiple sizes and possibilities with this 3-piece set! Slip one ring or more over the tip, and slide it down your shaft to the base of the penis. This constricts blood flow to let your member swell and stay hard! Designed for comfort, these stretchy and durable rings are made from super-soft silicone that moves with you for a truly pleasurable feel. Body-safe and easy to clean. Longer lasting, harder erections Waterproof Great for couples to play Wear more than one for a tighter fit Comfortable and stretchy silicone Phthalate and latex free Each ring is 0.68 inch, 1,7 cm thick Inner widths Small ring 1.14 inch, 2,9 cm Medium ring 1.26 inch, 3,2 cm Large ring 1.38 inch, 3,5 cm