Using this curtain is easy. Just use the free hooks to hang the two panels in your living room or bedroom. For the best noise - reducing and energy - saving effects, make sure the curtain is fully closed. When it comes to maintenance, you can gently vacuum the curtain to remove dust. If it gets dirty, you can hand - wash it in cold water with mild detergent. Remember, because of monitor differences, the color you see on screen might not exactly match the real curtain. And each set has two panels, so calculate the size according to your needs.