Material: Silicone · ABS Safety: Latex-Free · Phthalate-Free · Non-Porous Noise Factor: Silent Features: Adjustable size · Locks in place Waterproof: Yes Functions: Improved stamina · Thicker erections Lubricant type: Water-based only Size: Single 4.72 in. · Double 7.87 in.   Say goodbye to the frustrations and difficulties of measuring and trying to figure out what size cock ring you need.  The Silicone Roper adjustable lasso-style cock ring is a fully adjustable ring that fits your needs.  The Roper series adjustable rings are made from medical-grade silicone with high-quality ABS lockers. Depending on what you are looking for, the Roper is available in a single locker style, or if you are looking for more options when wearing, a dual locker style.  Each ring is soft and stretchy and includes a soft coat that will stop any pinching or ripping of body hair. Using the lasso ring is as simple as sliding the ring on and adjusting the lockers to your specific style and size.  Instantly boost your performance and last longer thanks to the restriction of your blood flow.