This product is hand carved and hand painted. This is not an image placed on a flat piece of tile, but a TRUE mosaic – consisting of several pieces of hand carved, hand painted ceramic tile. It is easy to install, it comes adhered to a fiberglass mesh backing that makes the process simple. You can install these ceramic mosaics on the bottom of the pool, embellish walls and steps of the pool and they can even be used outside of the pool to beautify plaster and concrete walls, concrete or stone decks and patios or on the countertop for your outdoor kitchen or barbeque area. This mosaic is made of ceramic tile and the thickness varies but will be approximately 1/4″ thick. Shade and size variations are inherent characteristics in all handcrafted ceramic tile. Depending on the overall size of the mosaic, the actual design may contain more or less tiles than pictured. These pool mosaics come with a lifetime guarantee.