Stay Hard Nutz Red Cock Rings from Blush Novelties. Enhances, prolongs erections. Increase stamina and enjoy harder erections. Strength. Strong, tear resistant elastomer. 2 pack. Includes 2 soft and stretchy cock rings. Wear one or both together! Peace of mind. Made from Thermoplastic Elastomers TPE. Contains no fragrances, phthalates or latex. Size 1.7 inches outer diameter each cock ring.