Adam and Eve Toys 6 Pieces Penis Ring Set from Evolved Novelties. There is no easier method to enhance your erection than a simple penis ring! This 6 piece set of comfortable, stretchy Silicone rings keeps your penis hard and ready with the tried and true method of blood flow constriction. Slip one or more, down to the base of your shaft for stiffer, longer lasting erections. Wrap the larger ones around the balls to stimulate your whole package. Get creative with 6 different sizes for maximum flexibility and pleasure possibilities! Waterproof, non-vibrating cock rings. Body safe, easy to clean. Features: 6 piece penis ring set. 6 sizes from 1.02 inches to 2.24 inches wide. For longer lasting, harder erections. Use more than one for multiple combinations. Large rings can be used around balls. Great for couples play. Designed and sized for a comfortable, snug fit. Durable, stretchy Silicone, phthalate free and latex free. Waterproof, non-vibrating. Ring 1 1.02 inches inner width. Ring 2 1.25 inches inner width. Ring 3 1.50 inches inner width. Ring 4 1.77 inches inner width. Ring 5 2.00 inches inner width. Ring 6 2.24 inches inner width.