Can be cut to any size: Large blackout curtain measuring 200 cm × 150 cm, can be cut to any shape and size you need, so it fits all glass shapes. And it is also convenient to use when traveling. Total blackout and thermal insulation: This portable blackout curtain has a silver finish that reflects heat to keep the room at a comfortable temperature. The thick material of the blackout curtain can easily block all light in the room, creating a completely dark sleeping environment while helping to maintain your child's sleep habits. Easy to install: You will receive blackout fabric * 1 + storage bag * 1 + double-sided tape * 1 + Velcro 10 pairs (2.5 * 10 cm) + soft ruler * 1 + knife * 1. The Velcro is strong enough to hold the blackout fabric in place without falling off. It helps you store the curtain when you need sunshine. Product material: This blackout curtain is designed to be reused for a long time, durable, fade-resistant, and odorless. The blinds are waterproof, with a silver coating on the outside and black oxford fabric on the inside, sun-protective and heat-resistant. Home and travel: Temporary blackout curtains can be used for skylights at home, baby rooms, bedrooms. Also suitable for offices, hotel rooms, and car windows, garden furniture covers, awnings, skylights, RVs, etc. The blinds are easy to remove and carry when traveling.