Zapotec Coasters

4" tumbled marble coasters, backed with cork.  These come in a set of 4. What material are the coasters made of?Our coasters all made using tumbled Botticino marble. This marble typically comes from Italy. Our quarry is located Verona, Italy. Do the coasters absorb moisture?No, the coasters are made from Italian Marble. Our proprietary process encourages liquids to bead-up on your coasters surface. Our experience with the coasters that do absorb is that after absorbing moisture, the image begins to fade and mold.  Do you offer custom?Yes we offer custom printing – it’s quick and easy. (please see website section on Custom) There is a one-time set-up fee which covers a hard sample. Once the sample is approved each additional custom set is priced the same as our stock sets. Custom images can be used across the product line for 8 inch, 4 inch and 2 inch product. We will store your custom artwork files for a maximum of 2 years. Can the tiles be used for a backsplash?Our tiles make beaut