... 3.impact resistant 4.cost effective Twin-wall flute sheet board 1) Twin-wall flute sheet board is a versatile, lightweight yet durable, ... easily converted into cases, boxes, sleeves, cartons& trays, internal fittings, dividers and dunnage. 3) Twin-wall flute sheet board can also ... house-for-sale boards, display sheets.4) Twin-wall flute sheet board can also contain additives such as anti-static, flame ...