The FirmTech MaxPR, our latest penis ring, provides longer-lasting erections and more intense orgasms. Designed for men who want a tighter ring, with more pressure on the urethra, this erection ring provides a snug fit. Note: The MaxPR is a tighter and slimmer version of the FPR. Key Features: Designed to keep blood in the penis to prolong erections. Can be worn for 90 minutes Uniquely comfortable. Ergonomically designed. Easy on, easy off with hook and latch. Penoscrotal design, wraps around testicles and shaft Light pressure on urethra intensifies orgasms Trusted by urologists. 1 size fits most men (except above 95% in girth) Water resistant Phthalate and latex free Compatible w/ water based lubricants. Note: does not contain sensors