4X4  coaster with cork backing.  All tiles are sealed and are water, heat and UV resistant.
No two coasters are ever exactlythe same.  You may choose color ranges and specify if you want flower patterns or abstract.  
Choose color ranges of pinks, fuschias and corals,  blues and purples, reds, oranges and yellows or turquoise, browns and greens.  Please specify flowers or abstracts or I don't care!