These serving bowls are made from Bon Chef’s sandstone line of serveware. Bon Chef’s sandstone series is made from a durable material that is designed not to chip or break with normal use. The colors are incredibly varied and you can choose the right color for your establishment. Sandstone products are backed by a lifetime warranty that protects the products against chipping, breaking and cracking. If one of their pieces becomes damaged from normal wear and tear, you can return the product for a replacement or Bon Chef will pay to repair the piece.