You will love the endless possibilities afforded to you with our clip-on hair piece. Pro Pump will help you get a teased hair appearance in just a few simple steps. Whether you want a small poof or a large bump, Pro Pump can do it all. Made from 75 grams of 100 percent human hair, Pro Pump is 13 inches long. Illustrated instructions are printed on each package, so you can easily apply our clip-on hair piece at home. The secret to Pro Pump’s original design is the mesh cap bordered with flexible wiring. The mesh cap is 5.75 inches wide and 4.75 inches long.