Enjoy super-stretchy erection enhancement with the strength of lab-tested True Silicone! RingO Pro XL 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 XL measures a 1 7/8 diameter for a more comfortable feel. Features: - 100% True Silicone penis ring stretches to 1 7/8 - Seamless stretch-to-fit design - Wide flat band for firm, stay-put fit