Pro Sensual Pro Rings Silicone Tear Drop Ring and Donut Sling 2 Pack from Cloud 9 Novelties. This innovative ball sling is designed to help enhance an erection and optimize staying power. This unique ball sling cock ring features a dual hole cock ring with a comfortable ball sling. Designed to fit for a tailored, snug fit without pinching during use. Increase your erection size and heighten sensitivity during sex and solo play with this stretchy cock and ball sling. Included in this pack is 1 ball sling cock ring and 1 oversized cock ring. Compatible with water based lubricants. Do not use silicone based lubes. Made from latex and phthalate free premium silicone. Extra thick seamless design for comfort. Sling features, dual hole fit for comfort, soft and flexible. Designed to help enhance an erection and optimize staying power. These rings are designed to help you stay harder longer and prolong ejaculation. Cloud 9 cock rings are made of phthalate free silicone. These rings are comfortable and made specifically for your safety and hygiene during your intimate play. Cloud 9 cock rings can be used individually or together. Do not wear a cock ring for more than 30 minutes at a time.