we sell a lot of hardboard,reliable quality and suitable price 1) Size:1220x2440mm,or as your request.2) Thickness: 2.0mm--4.0mm 3) Density:normal hardboard,around 850kgs/CBM,Around 950KGS/CBM if you are interested in our products,please feel free to contact with us ,contact person:Mary DongMobile:0086-13793656745 hard board