1.Silk printed pure cork coaster 2.squre 90x90mm,custom size 3.logo printed for promotional 4.eco-friendly Product descriptionlogo printed promotional cork coaster ,beer mat, drink coaster,beer coaster,printing coaster,cork cup coaster,cork coaster 1) size : 9x9cm , custom size and shape is available2) material : frosted PVC lamination + art paper +3mm thick cork3) logo : CMYK offset imprint4) ...