European Style Aluminum Rolling shutter window details: 1, Materails: -aluminum slat filled with foam -pvc profile 2, product features -good heat-preservation and energy-saving -Adumbral -Sound-insulation and noise-reducing -Secrurity 3, Opening way: -belly driver rolling -rocking bar drive rolling -Romote control 4, Color availabel -Oyster white/Ivory/Light Ivory/Zinc Yellow/Blue/Light grey/Brown/White aluminum/pure white 5, Installing way: -Exterior-installation -Interior-installation -Hidder-installation -Mid-installation