Strong Magnetic Blackout Better Sleep for you: This Blackout curtain adopts upgraded reflective silver coating and high-density black polyester with Magnetic Closure, the blackout effect can easily reach 100%. Blocks sunlight and harmful UV rays to darken your room, reduce heat and enhance privacy. creating a cozy pitch-dark sleeping atmosphere for you, Improve your sleep quality. Blackout Blinds Multi-Scenario Use: The room darkening window shades are perfect for the bedroom, study, kitchen, living room, office, bathroom, garage, den, family room, TV room, in-vehicle and hostel and so on.Just attach it directly to glass windows/doors using the super strong suction cups, you will have a dark sleeping environment or private space instantly,regardless wherever you are. Pack list and notice: 1 pcs 118"x57" blackout shades, 1 pcs soft ruler, 4 pair Stickers Tape, 12 pair Magnetic Fasteners, 1 pcs storage bag.