With no punching design, this screen window is self-adhesive and opened and closed by hook and loop, which is convenient to use, simple to install and labor-saving. There are fine meshes in this screen window, which can prevent mosquitoes while ventilating, enjoy new air in summer, and protect the whole family well. That's easy to clean, and it's clean as soon as it's wiped. It is constructed of other material. This product is available in sizes S, M, L. It is suitable compatible home, dorm, living room, etc. Item Name: Window Screen Material: Other Features: Easy to Install, Removable, Strong Adhesive compatiblece Size Details: S, L: 100cm/39.37", W: 100cm/39.37"(Approx.) M, L: 150cm/59.06", W: 130cm/51.18"(Approx.) L, L: 200cm/78.74", W: 150cm/59.06"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Window Screen 1 x Hook Surface with Adhesive 1 x Loop with Adhesive