I make this from recycled 16-gauge steel, cutting it with a Plasma Cutter. I then polish it and color it with a 6000 degree torch. Powder-Coated to prevent rusting. Available in 4"X 4", 5" x 4", 8" x 7", 10" x 9", 13" x 11", 16" x 14", 19" x 17", 22" x 20", 26" x 24" and 30" x 28". The 4" and 5" pieces are in ALL-CAPS, while all other sizes are Mixed Case. Custom sizes available starting at 5".