The blackout curtain protects you from daylight and street lamp and is ideal for late sleepers, night shift workers, and light-sensitive people. This thermal insulated curtain is ideal for bedrooms, living rooms, kitchens, kids' rooms, girls' and boys, hotels, restaurants,s and offices. This saves you money when heating and cooling your home. The biggest advantage of our curtain is that you sleep well and are full of energy every day.