Polyester2023 Upgrade Version The five-piece set contains blackout shades, tape measure, marker, cutting knife and Velcro. More than the original version of the ordinary cutter and marker, more convenient for everyone's use. There are also four huge pieces of Velcro, you can cut the Velcro into any shape you need according to the shape of the window.Special Reinforced Velcro Previous customer feedback that Velcro sticky, easy to fall off, we have designed a special reinforced version of the Velcro for this purpose. With this Velcro, you will no longer have to worry about falling asleep blackout curtains suddenly fall off the problem. And it sticks to the window will not leave any residue, you can rest assured that the use.Sleep Better with Blackout Material Our portable blackout curtains are made of thick, sturdy but soft fabric materials which can block sunlight and UV ray. The special silver-grey coating behind the blackout blind blocks off all sunlight and reduces heat, creating a cozy pitch-dark sleeping atmosphere for you.Quick and Easy to Install Measure > Cut > Wipe > Stick. Cause the special material, you can easily cut the shades into the shape you want to perfectly match different shapes of windows. Quick and easy to fit this blackout blinds using velcros in your nursery or bedroom, also can easily be removed. Note that sticking the side of silver on the window.Multi-Scenario Use The packaging design of the sealed bag make the blackout shades easy to carry, and can perfectly create a comfortable dark sleeping environment or private space in various scenarios. Such as bedroom, dorm, baby nursery, TV room, in-vehicle and hostel. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.