EASY ASSEMBLY: Beveled edges can easily be screwed to the sides using a Phillips screwdriver and the included wingnuts and screws so it's ready in no timeBUILT TO LAST: Made of powder-coated steel plates, with a rust-resistant finish to keep your garden bed looking its best for years to comeOPEN-BOTTOM GARDEN BED: Built with an open base to prevent water buildup and rot, while allowing roots easy access to nutrientsMICRO-ENVIRONMENT: Steel panels prevent the invasion of excessive nitrates and soil leaching, so you can create the ideal conditions for your plants to growIDEAL FOR VARIOUS PLANTS: The spacious, 47x35-inch frame is raised nearly a foot off the ground to provide a healthy environment for vegetables, herbs, flowers, succulents, and more!