• 100% True silicone® penis ring stretches to 1 7/8” • seamless stretch-to-fit design • wide flat band for firm, stay-put fit Enjoy super-stretchy pleasure 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.