Features: Naterial:Window sun blocker for house is made of polyester with a special silver coating behind which can block 100% of sunlight and ultraviolet rays effectively reduce heat and create a real dark. Cuttable Size:Measure cut and install in 3 steps window coverings blackout is the solution to that pesky sun issue without getting sets of blinds drilling new holes setting up new rods. Non Residue: This sun black blocker shade has non-residue dismantle durable and kept ready for next use. Save your money. Applications: Window shades can cut to the shape you need it perfectly suited for doors patio glass small and large windows. It's better to cut the curtain oversized compared to the window to minimize the light entering. Light Weight: 460/570g window shade is portable and easy to store ideal for nursery bedroom loft car travel. Blackout curtain is a must for anyone who wants to cool down their house or needs to block sunlight. Specifications: Material: Polyester Product Size and Weight: Single Side Silver (145 * 300cm / 460g) Black (135 * 300cm / 570g) includes: 1 * Curtain 1 * Storage Bag 45pcs * Films 1 * Tape Measure