Fairy tile is crafted from porcelain and hand dipped in Rick's specially formulated glaze. Choose your favorite color. More colors available on our website: www.whistlingfrog.net All of our tiles are handmade in our Torch Lake Michigan studio. It’s a beautiful place to make our tiles! Fairy tile was designed a sculpted by Rick. There is a notch on back for hanging, yet if you wish to install, it's also suitable for that too. If used outdoors in freezing temperatures, just make sure to keep it vertical. 4x4” is a nominal size. The actual measurements are 3.75 x 3.75" with raised relief of .5" or less. Tile stand sold separately. How’s it made? Sculpt the original design, make plaster mold, press in clay, wait to dry, fire in kiln, glaze, fire again to about 2230 degrees. Cool. Ship to your doorstep. Yay! We donate a percentage of each tile sold to one of the organizations listed on the 'Community' page of our website. Check it out on whistlingfrog.net. It’s feel good time! Art tiles are made to order and ship in under two weeks.