Promote Plant Health: Each deck railing planter includes built-in drainage holes at the bottom to help avoid overwatering and encourage healthy root growth for your flowers or herbs. Built for Longevity: Crafted from sturdy iron metal with a classic black finish, these balcony planter resist rust and weathering, making them ideal for year-round outdoor use. Complete Set for Instant Decor: Get everything you need with this convenient 3-pack. Quickly arrange your new hanging planter to add vibrant greenery to any railing or fence in minutes. Maximize Your Outdoor Space: These sturdy railing planter boxes easily attach to your deck, balcony, or porch railings, creating a beautiful vertical garden without sacrificing floor space. Secure Dual-Hook Design: Featuring two strong metal hooks with an inner diameter of approximately 2.8 inches, these hanging planter provide a stable and balanced hold on most standard railings.