100% Blackout: The black out blinds stick on are made of high-quality fabric that effectively blocks light, protects your privacy, and improves your sleep quality. The silver coating can isolate UV rays, while the tight weave of provides 100% blackout coveragePortable and Lightweight: With a compact and portable design, this blackout blind can be taken with you wherever and whenever you go. It can easily fit in your handbag or suitcase, making it convenient for traveling or attending business meetingsEasy to Install: The blinds window roller no drilling comes with Velcro that is more stable than suction cups and nano glue, and is not easy to fall off. This blackout is easy to install, even for beginners2 Alternative Sizes: We offer two sizes of no drill blinds to meet different needs, perfect for use in camper, bedroom, nursery, and home theater. They fit doors, patio glass, skylights, and windows of all sizesNo Extra Tools Needed: The package provides all the necessary tools, including a blackout blind, tape measure, Velcro, and cutter, so you don't need to prepare any additional tools