Features: Quality Material: Made of premium nylon mesh, lightweight sturdy washable reusable, not easy to deform, durable to use. Fine Weaving: Strong toughness, good light transmission, great ventilation. Easy to Install: DIY Self-adhesive design with matching tape, easily to install on window screen, screen door, porch screen, patio screening and so on without tools required. Tailorable Design: It can be easily cut into any size and shape to fit different types of windows. Practical Barrier: Effectively keeps out dust, mosquitoes, bugs, insects and unexpected animals without blocking the natural wind so that you can enjoy a relaxed and comfortable indoor environment.