【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 install it perfectly to fit your window shape. 【For Hot Summer Days】 Silver coating is applied to the thin fabric, providing heat shielding and insulation. It blocks sunlight and UV rays, supporting cooling and heating efficiency. It helps prevent fading and deterioration of furniture and floors. It's water-repellent and resistant to stains, so you can even attach it to bathroom windows. 【Easy, No Tools Required】 Just stick the included Velcro fasteners. You can secure 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 1m x Width 1.45m Material: Polyester, Oxford Fabric Color: Black Set Contents: Blackout Sheet x 1, Velcro Tape x 8 ※ Specifications and appearance may be changed without notice due to product improvements. ※ Color may vary slightly depending on the production lot and monitor environment. ※ We are not responsible for any damages caused by the use of this product.