Ceramic Tile for Crafts Coasters, 24 Pack White Tiles Unglazed 4 Inch with 24 Pack Cork Backing Pads Includes Square and Round Ceramic Coasters for DIY Arts Craft Project Coasters : Amazon.co.uk:
Sublimation Blank 10.8cm Square or Circle Matte Ceramic Coasters with Cork | eBay
Set of 4 Square Country Floral Meadow Ceramic Tile Coasters & Holder 10x10cm