Exquisite material: one side of black out blinds for bedroom is made of high-density Oxford cloth, which can block sunlight and ultraviolet rays up to 100%, and the other side is coated with high-quality silver PU, which can reflect ultraviolet rays, reduce the heat in the room, and is durable.Easy to install: the portable black out blinds stick on are equipped with hook and loop tapes, which can stick the black out blinds on the window faster and more firmly, and are easy to peel off without drilling, and will not leave any marks on the window.Practical design: the size of stick on blinds for windows is 300x145 cm, which is big enough, and you can also cut it into any shape and size for different windows according to your needs. Installing this blackout bli.