1> treating: top fine picked, 4sides natural split or sawn; 2> thickness: 3cm,4cm,5cm,6cm... 1)material: granite, sandstone, limestone2)colour:grey, red, black yellow, white3> Treating: a) Flamed b) Bush hammered c) Honed f) Line-engraved g) Pineappled Yellow granite paving Stones and Slabs