... ,600x600cm,300x300mm,150x300mm, 600x200mm, Specificationsa, Natural black slate flooring b, Split by hand, smooth surface c, All kinds ... of size availableSize of natural black slate flooring:30*20cm,30*30cm,30*60cm,60*60cm,60 ... *90cm,90*90cmThickness of natural black slate flooring:1.0-1.5cm,1.5-2.0cm. ... 2.5-3.0cmColor for slate flooring : black, grey,green and rusty sale eco-friendly ...