This Cord-Free Easy Lift Roller Shade offers the first line of protection against harmful UV rays, heat and glare. By installing it on the exterior, it reduce the amount of UV, heat and glare that enters your home, effectively keeping you cooler and more comfortable. Its cordless system works using a hidden torsion spring that act as pulley. Simply pull up and down on the handle to open or close the shades, then position them to any height you desire. No lift cords means a clean, uncluttered look and provides increased safety for children and pets. Perfect for any outdoor area such as patios, porches, decks, gazebos and windows, this shade is easy to install and easy to clean.