As a wheelchair accessible unit, "The Wedge" eliminates bending over while gardening and is perfect for gardeners with mobility and back strain issues. Tool-free assembly with dovetail design slides together in minutes. Its modular design allows you to add on to your garden with the optional extension kit. With up to 18" maximum planting depth, this garden bed is perfect for growing vegetables with extensive root systems such as cucumbers, potatoes, squash and tomatoes. Soil capacity is 6-1/2 cu feet. 48"L x 34"W x 32"H. 100% western red cedar. Liner included. Five-year warranty. Tool-free assembly.