Screaming O SlingO Blue Cock Ring. The SlingO is a True Silicone cock ring with a contoured sling made for ultimate perineum massage. Featuring a solid silicone ball at its tip, the SlingO positions to fit directly against his perineum with just enough pressure to enhance his sexual experience in every sex position. Made of body safe silicone, the SlingO stretches to feel firm and snug around the penis and testicles and can be easily adjusted for optimal results. Features True Silicone silicone ring with perineum massage. Solid silicone ball for firm pressure. Stretchy silicone ring fits firm around penis and testicle. Additional information latex free, phthalate free. One size fits most. Reusable. Other information Country of Origin China. Retail unit pack type blister card. Color Blue. Material True Silicone. Product type cock ring with ball sling.