Product DescriptionInsulated Aluminum roller shutter window*Slat Material: aluminum + Polyurethane*Aluminum Thickness: 0.3mm*Profile thickness: 12.3mm*Slat Size: 55.1mm*Polyurethane density: 65Kg/m³*Color: White, Ivory, Brown, Silver*Material of Shutter box: Aluminum *Max width:4m*Max height:3.5m *Maximum ar