The Adam and Eve Performance Pump is ready to take everything youve got and make it bigger! Just lube up your shaft, slide it in through the soft 2.7 wide silicone sleeve at the base then use the manual pull handle and watch it grow bigger and better!* Durable penis pump for harder, thicker erections* Clear and calibrated ABS plastic chamber to measure progress* Comfortable, soft silicone sleeve at base* Ergonomic manual pull handle* Crimp-free air hose* Instant release valve* 8.6 long, 2.7 wide* Use with water based lube or gelPenis vacuum pumps are used to create a vacuum around the penis, encouraging an erection by increasing blood flow into the penis. If already erect, a penis pump can make your erection harder and bigger.The Adam and Eve Performance Pump is perfect to make your wood grow tall, thick and hard.You can track your progress through the clear, calibrated 8.6 long ABS chamber. Each pull on the ergonomic handle gives you the shaft-building control you want. Adjust the pressure with the instant release valve.The Adam and Eve Performance Pump makes it easy to repeat this process, thanks to a comfortable, cushioned silicone donut entry sleeve your shaft will love. And each time you pump, youll gain more confidence as you feel stronger, bigger, and harder.The Adam and Eve Performance Pump is recommended for men who want to increase and feel the pleasure of enlarged erections. Couples may want to add this pump to their foreplay, because why not?