1-Top Box Cover,for Roller Shutter 2-Material: Aluminum-alloy 3-Shape: 45 Degree ... Square 4-Size: 137,165,180,205,250,300 Aluminum Box Cover1-Appearance: 45 degree,or square, with 2pcs design2-Fisnihing ... ,anti-scrach3-Color: ivory white usually, other colors ask for 2500m at least.4-Available Size: H=137 H=165 ... find the very products or information you want. Aluminum Top Box Cover for Rolling Shutter