These sheets me in 2mm, m, 5mm, 4mm, 6mm, 8mm, 10mm, 1m, 16, 19mm & 25mm they also me in 16 different lors. ROPLAST rrugated plastic sheets are the material of choice for today's screen printing industry. it is ideal for indoor and outdoor applications. It is tougher than rrugated fiberboard and lighter than extruded plastic sheet.