Make it thicker, longer and stronger with the Stay Hard Reusable C-ring from Blush Novelties. Stretchy band TPE c-ring hugs your penis and/or balls to keep your erection hard. Demo batteries are installed for your convenience. During sex, switch on the strong vibrations to stimulate and please your partner. Lasts approximately 30 minutes, and extra batteries are included for longer sessions. Phthalates and latex free. Requires 2 L736 batteries. Batteries included.