The Cobalt Blues Glass Mosaic Tile mix 1/2 pound bags contains a random mix of cobalt shades of blues, some iridescent. Includes a variety of mosaic tile from Kaleidoscope, Looking Glass Transparent, ColorGlitz iridescent, recycled glass tiles, mirror tiles and Penny rounds. Different shapes, make these mixes great for texture and mixed media mosaic projects. Tile thickness 1/8" to 3/16".Tile sizes are from 1/2 inch to 1 inch. Covers approx. 1/2 square foot of space, approx. 100 plus pieces per 1/2 pound bag. Pictured is one of the bags.