Excellent Mosquito Prevention: high-density mesh prevents tiny insects. The installation of our screen window helps you say goodbye to worries incurred by mosquitoes, and ensures good air circulation, even if the window is opened Adjustable Size: the window screen can be cut according to your windows size, ensuring that it is suitable for any window frame. It is both convenient and economical to make window screens by yourself. Support a maximum of 48x 43 window. Please measure your window prior to your purchase to ensure that our window screen is suitable for your window No Construction Required, Easy to Install: back magnets make it easy to install in wood, iron or aluminium windows. Take about 15 minutes to install(There is an installation video, please watch). Unique window-proof clip is used to make it stay in the place, avoiding to fall. Adjust its opening height and easy to open and close the window screen Outstanding Durability: the window screen adopts permanent magnets, which can be repeatedly opened and closed. Thanks to its high-quality materials, precision sewing and high-density mesh technology, it wont be damaged even if you repeatedly open and close the window screen. In addition, it is convenient to clean the window screen because it can be removed Package includes: one roll of magnetic strip, one roll of PVC strip, one piece of meshone roll of neck magnetic stripone bag of accessories and an instruction manual. 12 Months Warranty , enjoy a purchase completely risk free. No extra maintenance needed. This is a good one-time affordable investment