Prevent your cat and other small animals from falling and escaping. It can also keep insects outside when windows are open. Fresh Air: Small hole clear mesh, 100% polyester. Lets you open your windows and enjoy the fresh air. Easy to install. Netting can be easily cut to size with a cutting tool and is suitable for most room windows and roof windows. Elegant looking, this window mosquito net is tightly woven from polyester fibers. Tear-resistant and stable material guarantees a long service life. EASY TO INSTALL - No drilling is required for the window net, it is quick and easy to install using the sturdy Velcro (included), just attach it to the window or remove it. Size: 120x150cm Net protection is a great way to keep cats safe and ventilated indoors. Perfect for indoor cats and allows upstairs windows to be opened and prevents cats from falling. Features: Window meshes are easy to install, removable and washable. Window protection to prevent mosquitoes, flies, wasps, and other insects from entering from the outside. Can be easily cut to size and fitted to multiple windows. Adhesive tape on the back. Even when it's dark, the lights are on to allow the room to be ventilated. Tear-resistant and stable. Safety Instructions: This product is designed to protect cats and should not be used to protect any other animals or children. Content: 1 Window safety net, 2 Velcro tapes.