... 3Thickness:2-10mm 4customized size transparent 1mm plastic sheet glow in the dark plastic sheetFeatures:Material: polypropylene ppGood quality at a more ... , light box board, sign board, warning signs etc. 4 Industry Use: protecting board, padding board, luggage carrier, separating board, baseboard, cross ... : Trunk protection for young trees. transparent 1mm plastic sheet glow in the dark plastic sheet