x4extender.net is one of the leaders in the male enhancement industry. They have developed one of the most technologically advanced penis enlarger. By incorporating both silicone tubing and strap based extenders into one. This Hybrid Support System offers not only comfort but efficiency at the same time.

X4Extender.net's product was originally developed as a non-surgical treatment to a disease. As more and more clinical studies were conducted on the use of the device, researchers noticed its ability to increase the size of the a male's penis. X4 Labs, a research and development firm altered the device slightly to ensure increased efficiency with respects to penis enlargement. Under the strictest quality standards, they have continued to develop this and it is also medically certified.

The X4 Penis Extender is one of the only penile enlargement devices to have undergone pharmaceutical studies and to be medically certified. Penis extenders have proven themselves as a viable non-surgical instrument to provide significant increases in penis size, both length and girth.

I got the Frequently Asked Questions on their site, maybe you are also asking the same thing.

Will the enlargement procedure affect my ability to get an erection?

No, in fact some users feel their erections get stronger due to the increased cell activity and blood flow from the treatment.

Can the X4 Extender be worn at work and while you sleep?

If you have a non-physical job, the X4 Extender can be worn under boxer shorts and loose fitting trousers. If you generally sleep on your back or side you should have no difficulty wearing the X4 Extender while sleeping.

Will the girth decrease, stay the same or increase?

Due to the general tissue expansion, the girth increases as well as the length.

Does it hurt?

No. Some initial soreness is normal. Within a few days, you will forget that you're wearing it.
Can the treatment go on for as long as I want, and will I keep getting results?

The enlargement will continue as the treatment continues.

Does the use of the X4 Extender require medical experience or the help of a Doctor?

No, the X4 Extender comes with an easy to understand usage and instruction manual and does not require a medical consultation.

Does the X4 Extender require a certain length or thickness of the penis?

No, the X4 Extender is developed for penises of all proportions. The device can be used on both circumcised and uncircumcised penises.

Does the effect recede over time?

No! The enlargement of the penis is permanent.

Are there any side effects?

No, the use of the X4 Extender has no influence on erection, urination or fertility. The X4 Extender does not cause allergic reaction. Some initial soreness is normal.

What happens in case of erection while the X4 Extender is worn?

The X4 Extender either adjusts to the given erection angle or simply glides off smoothly to be applied again.

Do I have to follow a fixed treatment pattern?

No, you can wear the X4 Extender as you please. The results depend only on the total amount of hours worn and the traction involved.

Does the X4 Extender help in case of a curved penis?

Yes! The X4 Extender has proved efficient in straightening the penis and helping those who suffer from Peyronie's Disease.