Screaming O Ringo Pro Blue. Enjoy super stretchy erection enhancement with the strength of lab tested True Silicone! RingO Pro features a seamless stretch to fit design with a wide flat band that stays firm and secure for a longer lasting experience. Made of 100% body safe silicone with softer flexibility, RingO Pro measures a 1.25 inches diameter for a more comfortable feel. Features: 100% True Silicone penis ring stretches to 1.25 inches. Seamless stretch to fit design. Wide flat band for firm, stay put fit. Additional information: latex free, phthalate free. Reusable. Other information. Country of Origin China. Retail unit pack type foil. Color Blue. Material True Silicone. Product type Silicone Ring. Texture smooth and seamless.