... Profile1) Thickness: 4mm.4.5mm,5mm,6mm,8mm,10mm,12mm2) Standard width and length: 2100 x 6000mm3) Color: clear,blue,lake ... rain tents, green-house, swimming covering, roof light or canopy for office buildings, department store, hotels, schools, amusement cents, hospital, ... etc. sound absorption wall for freeways, high speed railways Grade A PC U Profile