Screaming O Ringo Pro Black. Enjoy super stretchy erection enhancement with the effectiveness of lab tested True Silicone! RingO Pro includes a seamless stretch to suit design having a wide flat band that stays firm and secure for an extended lasting experience. Made from 100% body safe silicone with softer versatility, RingO Pro measures single.25 inches diameter for any much more comfortable feel. Features: 100% True Silicone penis ring stretches to at least one.25 inches. Seamless stretch to suit design. Wide flat band for firm, stay there fit. More information: latex free, phthalate free. Multiple-use. Additional information. Country of Origin China. Retail unit pack type foil. Color Black. Material True Silicone. Product type Silicone Ring. Texture smooth and seamless