TIMESETL 12 Pack Ceramic Coasters for Crafts, White Hexagon Unglazed Ceramic Coasters with Cork Backing Pads for Alcohol Ink or Acrylic Pouring, DIY Make Your Own Coasters, Mosaics, Painting Projects : Amazon.co.uk:
DIY Marble Hexagon Coasters
Easy DIY Coasters from Hexagon Marble Tiles - Merriment Design