... ASH straight grainbase board material: plywood (thickness: 2.4mm, 2.5mm, 2.8mm, 3mm,3.6mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 18mm, 25mm) ; you ... also choose MDF, thickness will be 3mm, 4mm, 5mm, 6mm, 8mm, 9mm, 12mm, 15mm, 16mm, 18mm, 25mmthe sizes available: 4'x8 ...