【DIY in a Pitch-Black Space】 Simply attach it to your window frame to completely shut out light. You can freely cut it to the size you need, and it fits perfectly to the shape of your window. 【For Hot Summer Days】 Silver coating on thin fabric provides heat shielding + insulation effect. It blocks sunlight and UV rays, supporting cooling and heating efficiency. It helps prevent fading and deterioration of furniture and floors. Water-repellent finish makes it resistant to dirt, and can be attached to bathroom windows. 【Easy, No Tools Required】 Just stick the included Velcro fasteners. You can fix it without drilling holes in the wall. You can use it with peace of mind even if you live in a rental property. 【For Various Scenes】 Perfect for putting babies to sleep, home theaters, places where daylight or light leakage is a concern, and for protecting privacy after night shifts or during car camping. Product Name: Window Blackout Sheet Size: Length 3m x Width 1.45m Material: Polyester, Oxford fabric Color: Black Set Contents: Blackout sheet x 1, Velcro tape x 16 ※ Specifications and appearance may be changed without notice due to product improvements. ※ Color may vary slightly depending on production lot and monitor environment. ※ We are not responsible for any damages caused by the use of this product.