Dr. Joel Kaplan Enhancer Rings magic prolong set. Two high grade stretchy, comfortable, enhancers that also add girth. Safe and pure for body and pleasure. Made using Thermoplastic Elastomers TPE. A water based lubricant is recommended. Rings measure 1.75 inches in diameter. Bulk weight 0.7 ounce. Always clean before and after use. Cock rings when worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Prolong rings, erection enhancement, climax control rings, cock rings. Category: For Men, Rings & Sleeves, Rings. Dr. Joel Kaplan Enhancer Rings is a registered trademark for California Exotic Novelties. Made in the USA.