10cm*8mm,10cm*10mm 1) Thickness: 5mm, and 8m available for other items2) Width: 25cm, and 30cm available for other items3) Waterproof, fireproof, high intensity, corrode-resistant and aging-resistant4) Can be used for both ceilings and walls5) About 2,000 different styles of surface treatment6) Material: calcium carbonate, PVC