Low carbon produce2.Food contact safe with certification of ce / eu, eec, lfgb, sgs 3.With low water absorption and good acid resistance Natural slate plate/ slate tray/sushi plate/japanese plate Surface finishing: honed Customization is also welcome Thickness:3-4mm, 4-6mm, 5-7mm, 8-10mm The typical size of slate plate as below: Side slate plate 7 7, slate dining plate 8 ¡® 12, slate sushi plate 6 x 12", slate charger 12 x 12 ", large slate tray with handles 12 x 24, rectangular slate serving tray 6 x 22, slate serving tray with handles 1020, rectangular slate serving tray - 6 22, slate appetizer tray with handles - 6 x2¡®, slate placemat - 18 x 12.