The manual vacuum pump allows you the ability to safely increase the girth and length of your penis at your preferred pressure With consistent use of up to 10 minutes per day, it can allow you to gain an inch in width and half an inch in length in two months Continued usage is required so you do not lose your penis gains The device can also be used to increase the size and strength of your erection as well as the strength of your climax It is manufactured to be safe and durable. Triple shrink-rings are distributed in varying sizes, so you do not need to worry about the size