Sizedoctor is the best extender in the world. SizeDoctor is a vacuum based extender that effectively enlarges your penis. Besides enlarging it makes your penis and glans thicker. It also cures premature ejaculation and penis tortuosity correction, and it may improve Erection quality. 

Increase your penis size.

When you wear SizeDoctor penis tissues are stimulated for cell devision by continuous traction (tension). The tension causes cells' proliferation.

The principle of penis enlargement is celldivision, this happens naturally because of the traction. The divided cells will be reunited with micro growth. This is called “cells’ proliferation”.

The function of SizeDoctor was proved by clinical case studies and actual uses with over thousands’ consumers. The traction force applied for the SizeDoctor was proved safe without any side effects. The enlargement is permanent.

Material: ABS + Silicone + Aluminum

Extender Length: 17 - 12 cm/6.7" - 4.7"

Vacuum Tube Size: 6 * 3.5 CM/2.4" * 1.4"

What Include:

1 PCS Extender Body

1 PCS Valve

6 PCS Girth Fixing Band

4 PCS 4CM/1.6" Extender Bar

12 PCS 2CM/0.8" Extender Bar

2 PCS 0.5CM/0.2" Extender Bar

1 PCS Instruction Manual

1 PCS Gift Box