4.25" tiles are now 3mm thicker than the 6" tiles Handmade ceramic tile to use as indoor home accents. Some applications ideas include tile wall kitchen backsplash, tile stair risers, tile fireplace surround, bathroom applications, shower walls, cover a tabletop & so much more... it is endless. I hand make each item at the time of the order and do not offer returns or exchanges. If you are planning a large project, please purchase one tile to make sure you love it first. I can make you as many a