UV rays are the main culprit of heat penetration. These exterior solar shades have 85% UV block. Stopping the sun's rays before they hit the window helps reduce energy bills, making sunshades a good investment. These semi-private shades also help reduce the glare on TV and protect furniture from fading. Two popular colors and three sizes are available to choose from. The durable, knitted, waterproof polyethelene fabric is perfect for exterior or interior usage. The shade installs easily as an inside mount, outside mount, or ceiling mount and looks great in sunrooms, on porches, or decks. You can hang it on the exterior of a window outdoors or on the inside of the window for added room decor. The crank mechanism makes it simple and safe to roll the shade up and down. Certified as Best for Kids, a window covering program created by an independent lab that includes only cordless shades that are safe for kids. Material allows cooling breeze to pass through. Material: High-Density Polyethylene (HDPE), Density 180 /- 15g/M2UV Rays & Heat Reduction by up to 15%Reduces glare and blocks bright light. Installation: 3. 75ft easy to use Crank for raising and lowering the shadeInstall Sunshade with the crank on the right or left side of the shade. Outside mounting or top mountingMounting Hardware: left and right brackets, wall anchors and installation screwsTwo (2) wind tie downsClean-ability: Easy to clean with soap and light spray of waterCan reduce room temperature by as much as 20 DegreeFProvides light filtering semi-privacyCare Instructions: Unroll shade completely to clean with mild soap and water, a sponge, soft bristle brush, or dust cloth.