ADA-Compliant Adaptive Planter Box Gets You Growing Again Ample clearance for wheelchair users Two planting shelves for a variety of plants Rot-resistant cedar & Lifetime aluminum corners 3.75" and 9.5" planting depths & 106 quart soil capacity This one-of-a-kind, ADA-compliant elevated raised bed has a shallow planting shelf (3.75" H) in front to allow plenty of room for your wheelchair to roll underneath. This area is intended for herbs and low-growing greens that will be harvested regularly. A deeper planting area (9.5" H) in back is ideal for root veggies and larger plants like tomatoes. Thoroughly tested, it's designed not only for your wheelchair to fit comfortably underneath but also allow you to tend even the furthest corner without uncomfortable or dangerous overreaching. Naturally rot-resistant cedar sides are bolstered by our rust-proof, industrial-strength Lifetime aluminum corners.