Material - High-quality blackout polyester fabric Sizing guidance - Accurate measurements are essential to choosing the right size for your window or wall opening - Before placing an order, measure the window size first - To ensure a proper fit, add 3 inches to the glass width and 3 inches to the length, then choose the corresponding size Package contents - Blackout curtain made from blackout polyester fabric - Sold as a single piece - Available in a variety of colors - Suitable for classrooms, floor-to-ceiling windows, terraces, living rooms, kitchens, and home offices Easy installation - No tools, hardware, mounting brackets, or drilling required - Strong adhesive tabs secure the curtain in place - To install: loosen the Velcro strap at the top, let the curtain fall over the window, then press the bottom into place to secure Blackout and privacy - Constructed with innovative triple weaving technology - Delivers effective blackout while maintaining complete privacy - Designed to ensure the classroom or space is fully darkened for safety - Offers more variety and flexibility than blackout paper or standard blackout curtains Use scenarios - Classroom window control during lessons, tests, or demonstrations - Living rooms or terraces with floor-to-ceiling windows for movie nights or daytime privacy - Home offices or kitchens where quick, tool-free privacy and light control are needed