The Gray/Silver tile mix consists of a random assortment of ColorGlitz Iridescent, Van Gogh Glass, Kaleidoscope vitreous, recycled iridescent glass tile, silver and textured mirror tiles. Sizes range from 3/8 inch to 1/2 inch to 3/4 inch. Sold by the generous half pound bag. Approx. 100 plus pieces per bag and pictured is one of the bags.