Adjustable Sliding Window Screen Size: 19.86 Inches (50cm) High, 28-52 Inches (70-132cm) Wide, White Aluminum Frame and Dark Gray Fiberglass Mesh Screen. Can be used in wood, metal or vinyl double hung windows and rolling doors. The adjustable screen has a width adjustment approximately of 28 to 52inches. Two-layer Adjustable Sliding Window, Easy to install in seconds without the need of tools or fasteners. The unit comes completely assembled, so all you need to do is place in the window opening and adjust the width. Anti-mosquito,The mesh is made of hign-density Fiberglass material, strong and durable. Even the smallest bugs and mosquitoes have no chance to get in. Keeps your room bright and the fresh air in. We offer you 100% satisfication guarantee and 24 hours service, If you're not completely satisfied with your purchase simply let us know and you'll be offered a full refund or replacement., Weight: 1.1 pounds