-Snap-Lock brackets simply slide and snap-Composite Boards feature textured finish that blends into any environment-Limited Lifetime (registration required) / 5-year warranty (no registration required)-Composite Boards are made from 38% post-consumer food-grade safe recycled plastic and 62% sustainable hardwood fibers-Durability and low-maintenance unlike cedar, composite boards are designed for durability. Boards will not rot, splinter or disintegrate-Easy to install-Limited Tools RequiredMaximum options in a minimum of space. The deep 11-inch section is great for growing tall veggies or flowers that need strong root systems (like tomatoes), and equally useful for root vegetables like carrots or garlic that need depth to develop freely. The 5.5-inch section works perfectly as an herb garden. This garden gives you plenty of space and options to grow a complete salsa or spaghetti sauce garden. Grow an amazing Berry Garden, with blueberries, raspberries or currents planted in the top level, and strawberries planted below. snap-lock joints make it simple to install.Your kit comes with everything you need except the soil and plants. Each modular kit includes ten of our straight composite boards and five of our snap-lock stacking 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 additional layers of your garden just by inserting the stakes into the brackets below.Our patented snap-lock brackets simply slide onto each end of a board and fasten securely with snap-lock buttons. Brackets pivot 270 degrees, allowing endless design options. With the boards and joints in your kit you could make one 5.5"-high hexagon garden bed and one 5.5"-inch high square or diamond-shaped garden bed.As your garden needs and expertise grow you can add on to your modular raised bed any time by purchasing additional kits, boards and anchor or stacking brackets to stack or extend your garden. Curved boards are also available to incorporate into your design.