PP hollow sheet is  made of high density polypropylene, Which is non-toxic, odorless, anti-moisture and it has corrosion resistance, light weight, good appearance and color-rich etc. PP hollow sheet or Corrugated plastic or Corriboard - also known as Corrugated plastic, Corrugated PP, Corrugated plastic board, Corrugated Plastic sheet, Twin-wall plastic sheet, Hollow PP board, Hollow sheet, Coreflute, Corruplast, Polyflute, Coroplast, IntePro, Proplex, Correx, Corex, Danpla, Twinplast, Corriflute, Fluteboard, Impraboard or Corflute, Akylux - refers to a wide range of extruded twinwall plastic sheet products produced from high-impact polypropylene resin specifically for use in the screen printing, display and packaging markets.