These are the newest size and shape of tile from Zentangle. Each edge is 3.5 inches so they can be combined with the standard 3.5 inch tiles to create a mosaic or design if desired. 55 tile set includes, 15 tan Renaissance, 10 black and 30 white. They come in the storage box shown. Please ask if you have any questions. These make great gifts for special people including yourself. You know you deserve a little something! Thanks for visiting my shop.