This package contains 2 pieces planter box brackets. Come with installation accessories that is easy to install. The planter box brackets are reusable and is stable to support the flowerpots. The planter box brackets feature top and bottom adjustable design that can adjust the bottom width range from 16.5-23cm. Perfect for solving the difficulty of too thin railing or too big flower box is. The planter box brackets are made of high-quality carbon steel material, which is sturdy and durable. With 2.8mm thickness provides strong support to the planter box. And the planter box bracket is not easy to fade, suitable for long time use. The planter box brackets are easy to install. Besides installed on the railings, balconies and fences, it can be installed on the wall. With nut and screws, slide them in and tighten, then secure them to the wall or railing with screws. The planter box brackets are suitable for indoor, outdoor use. Suitable for installing on the railings, walls, courtyards, balconies, terraces, brick window sills, patios, etc. Enjoy the hanging plants or flowerpots. Perfect for decorating and add elegance.