Double penis rings are designed to go around the testicles and the penis, rubbing and stimulating both to send sensations through your entire body. Double ring stretches comfortably around the base of the penis and testicles and may help enhance erections and pleasure. Soft Body-Safe Silicone: Made from stretchy and hypoallergenic silicone. Harder and Longer: The harder ring is to help delay ejaculation and keep you harder for longer. Private Package and Warm Tips: Better effect to use it with lubricant. It is important to remove the ring after use or after wearing if for 30 minutes to be safest.