RootWrap 5&7 is our most popular wrap. Designed for 5 and 7 gallon grow pots, RootWrap 5&7 installs in seconds. Just wrap the the 12-inch x 48-inch RootWrap around your nursery pot and it goes to work immediately to: moderate root zone temperature, reduce plant stress and increase yields. The wrap is made with our proprietary Phase Change Material (PCM) enclosed in a rugged aluminum/ poly film.