Unlike penis pumps the Max X Tender is a permanent enlargement system... Using traction, the system gradually increases tension to your penis muscles over time. If used daily over 90 days you could increase your size by 2 inches.Simply insert your penis into the device, secure the head and adjust the tension to a comfortable level. No surgery, pumps, weights or lotions. Safe and natural. No side effects. Easy to use and painless. Adjusts to fit all sizes