Sun Joe FPH1801-W Deco Joe Flower Box Holder in White Holds 18" to 36" (46  91 cm) flower boxes Durable finish resists rust Fits up to 1.5" (3.8 cm) railings Beautify decks, balconies, patios, porches, fences and trellises Available in black (Model# FPH1801-B) or white (Model# FPH1801-W)