Easily strengthen your penis andndash;andndash; instantly! This set lets you choose from 3 sizes of stretchy. smooth silicone. Each ring fits snugly at the base of your member to help you stay harder for longer.By gently restricting blood flow. you can enhance any play time experience. solo or with a partner. Waterproof and body safe. this trio cleans up in a snap with some Adam andamp; Eve Toy Cleaner and a warm water rinse.3 piece penis ring setSoft andamp; stretchy silicone .37 thickProlongs andamp; strengthens erectionsEach size creates a different intensitySmall: inner diameter: 1.33Medium: inner diameter: 1.5Large: inner diameter: 1.75Phthalate andamp; latex freeWaterproof