Love the volume you will get with Pro Pump, our clip-in, 100 percent human hair piece. Our amazing product is a great way to create wonderful hairstyles for all occasions, whether it is a party, prom, weddings, date or just every day wear. Pro Pump is meant to create a teased effect while blending with your natural hair. Each Pro Pump is made from a mesh cap surrounded by bendable wiring and snap-closure clips. The hair on Pro Pump is 13 inches long. The cap measurements are 5.75 inches wide and 4.75 inches long. Pro Pump is the only 100 percent human, hair-assisted teasing product on the market today.