We are Authorised Dealer for GreenPanel MDF Boards. Stocks Available: -Interior Grade: Thickness available: 3.6mm / 5.5mm / 8mm / 10mm / 15mm / 16.5mm / 17mm Size: 8'x4' -Exterior Grade: Thickness available: 3.6mm / 5.5mm / 8mm / 15mm / 17mm Size: 8'x4'