... grade birch face birch core size:1220x2440mm, thickness:2.5mm-30mm E1 grade glue:E0,E1,E2,MR core: poplar,combi,red hardwood ... 1250x2500mm or 1500x3000mm or the size as yours--Thickness: 2.5mm -30mm--Core: poplar, birch, hardwood, combi etc.--Face/Back: okoume, bingtangor ...