This raised garden bed is strong, long and perfectly square. A solid choice for durability and function. Reinforced with bracing boards to prevent frost push-out. If you like an organized garden, you''ll appreciate how the bracing boards divide your garden into four separate planting areas. The 11-inch-high stacked side boards give you lots of depth to grow both underground veggies like garlic, as well as tall plants like tomatoes. You can redesign your garden at any time by assembling your available boards and brackets in new ways. Easy to install. Each modular kit includes twenty-three of our 1" Classic Sienna composite boards, seventeen 1" stacking brackets and three 1 4-Way bracing brackets. The insulating open-channel boards trap air, providing insulation to your soil. Keeps soil warmer in the Spring and Fall, and cooler in the Summer, so you can grow for an extended period. Stacking brackets allow you to install the second layer of your garden just by inserting the stakes into the brackets below. Our Raised Garden Bed Brackets pivot 270 degrees, allowing endless design options. You can easily convert your bed to an octagon, just by changing the angle of the brackets. As your garden needs and expertise grow you can add on to your modular raised bed any time by purchasing additional 1" kits, boards and anchor or stacking brackets to stack or extend your garden. Curved 1" boards are also available to incorporate into your design.