Polypropylene corrugated plastic sheet is comprised of two outer layers and a vertical flute connecting these two surfaces. This design is specially constructed to protect marble and granite tiles. Corrugated plastic sheet / rolls for floor protection can help to protect the floor, carpets or other surface clean and away from damage when construction or renovation. It is an economical material that combines outstanding physical, chemical, mechanical and thermal properties Waterproof Impact resistance Resistance against alkalis, acids, and salts Flexibility and strength Easily fabricated and reshaped Reusable up to 3 to 4 time Specification: Item: polypropylene corrugated plastic sheet / pp flute board /conflute / corriboard / twinall plastic sheet; Size: normal 1220x2440mm, customized size and rolls available; Thickness: 2mm, 2.5mm, 3mm, 4mm, 5mm Color: usually black for the floor protection fluted pp sheet Packaging: 10- 20pcs per pe bag, corner protected.