Description This caravan extrapolated ventilation window is made of high-quality materials and fine craftsmanship, which is sturdy and durable. Its simple appearance will show your high grade. The multi-angle window opening design meets the needs of opening windows in different weather, and the completely sealed windows can keep your caravan warm in winter and cool in summer. I believe it will make your journey more enjoyable. Key Highlights High-quality Material: It is made of high-quality aluminum alloy and ABS frame, acrylic, aluminum film, and non-woven sunshade, and nylon mesh, which is sturdy and durable. The electrostatic spraying process makes the black frame well-resistant to corrosion and abrasion, prolonging its service life. Angle Adjustable: With a maximum opening angle of 70.