Ceramic Tile 4.25 Round Tile 6 Pack - Paint Your Own Ceramic - Unfinished Low-Fire Ceramic Bisque - Paint-a-Potamus Our round tiles are great for using as a coaster for your morning coffee or tea. A creative art and craft piece to design, color and make your own. This Paint-a-Potamus product is white, non-colored ceramic bisque. Paint me mine! Great for painting with either acrylic paints or ceramic glazes! When using ceramic glaze this item can be kiln-fired to cone 06. When painting with acrylics finish with a glossy spray for best results. Before coloring your creation wipe thoroughly with a damp cloth and allow to dry completely. Before entering your coloring journey, wipe thoroughly with a damp cloth and allow to dry completely. Each 4.25" Round Tile Measures approx. 4-1/4in dia. x 1/4in