Specification:Item type: RV windowMaterial: aluminum alloy + tempered glass + rubberWindow size: approx. 440x390mm / 17.32x15.35inInstallation Thickness: 3mm-6mm/0.12-0.24in or 55mm-60mm/2.17-2.396in Sheet Installation Size: Approx. 410 x 355 mm / 16.14 x 13.8 inches, can be used for vertical or horizontal installation, with fixed locking switch. Application: Tinted windows protect your privacy and ensure that the full sunlight does not heat up the interior of your motorhome. Fully sealed windows keep your RV cold in summer and warm in winterApplication: Suitable for RVs, RVs, construction vehicles and any other places where windows are neededPackage list:1 x RV window1 x fixed frame24 x screw10 x anchors Note: The assembly is a little more difficult, it is recommended to find a professional technician to help with installation and a perfect shopping experience offers