... with diiferent specifications:12,15,18,21mm. poplar, hardwood core; black ,brown film Film Faced Shutter ... PlywoodSpecifications:1220x2440mm,1250x2500mm,1830x3050mm,1900x3100mmThickness:4mm,5mm,6mm,7mm,9mm,12mm,15mm,18mm,21mmCore:poplar core ... ,birch core,combined coreGlue:WBP or as requestedDynea film ...