Introducing a 2 - pack of 16 - inch deck railing planter boxes, perfect for creating beautiful outdoor gardens. Made from sturdy and lightweight carbon steel, these planters feature a weatherproof finish, making them suitable for year - round use on decks, patios, balconies, or as window boxes. Each planter comes with pre - installed 100% natural coco liners, which offer excellent breathability and drainage, promoting healthier root systems. The adjustable brackets are designed to fit a wide range of railing widths from 2" to 6.3", ensuring a secure and versatile installation. Installation is a breeze: simply place the coco liner, add soil, and plant your favorite seasonal flowers. With a black finish and retro design, these planters serve as an ideal backdrop for colorful blooms, allowing the plants to take center stage and create stunning flower arrangements in any outdoor space.