Achla Designs Wrought Iron Twist Window Flower Box Bracket 18-in W by 10-1/2-in D by 10 1/4-in H Wrought Iron with Black powder coated Use with Achla Designs Galvanized Flower Box (VFB-05) Embossed Flower Box (C-04) or Copper Plated Flower Box (C-20C) For best results secure with non-rusting hardware appropriate for the application