Recycled Glassworks is about the re-use of PLATE Glass, the type of glass that windows, shelves, doors, and tabletops are made from. Minimum piece size=12 sq. in. and 1/4 in thick. Also accepts traffic light lenses & styrofoam peanuts. (Does NOT take: tempered glass (check for subtle signs in the corners), glass shattered into shards, & drinking glasses.))