we provide 1,Material:cork 2,Thickness:1mm,1.2mm,2mm,3mm 1 side printed 3,Dia:9*9cm,10*10cm 4,Printing:1c,2c,4c Cork coasters are available in a variety of shapes, sizes, and thicknesses. And can be offered with logos, pictures on.we provide 1,Material:pure cork2,Thickness:1mm,1.2mm,2mm,3mm 1 side printed3,Dia:9*9cm,10*10cm 4,Printing:1c,2c,4c Cork coasters by high quality and reasonable price