RingO Biggies are thick cock rings that feature a tight, firm fit that makes a massive impression! These stretchy cock rings offer simple, no frills enhancement that can be worn around the penis and/or testicles. Whether enjoying longer lasting sex with a partner, amping up endurance training, boosting masturbation, or sporting a more prominent package, RingO Biggies are the premium choice for impressive results! Material lab tested, body safe SEBS Silicone.