House numbers that don't look like the others. A mix of different colors is eclectic and fun, same colors for the traditional buyer. For in stock display, carry Leaf Green, Black, or Smoky Blue for the best curbside visibility. Don't want to carry all the colors? Special order mixed colors when the customer requests them. Takes about two weeks to fill a special request. Min order still applies. Materials: made in Michigan porcelain and Rick's specially formulated glaze. Sculpted by Rick. Using Rick's time tested recipes, we make small batches of glaze. Working small like we do, allows for variations in the glazes, creating one of a kind pieces. All of our tiles are handmade in our Michigan studio. This tile measures 3 15/16 x 3 15/16”, nominal size-4x4", with raised relief of 1/2" or less. There is a notch on back for hanging. Suitable for install. Use silicone if gluing to wood. If used outdoors in freezing temperatures, just make sure to keep it vertical.