The optional Extension Kit adds 48″ of length to your Garden Wedge. “The ECO Wedge” eliminates bending over while gardening and is perfect for gardeners with mobility and back strain issues. This unique tool-free design allows the bed to be assembled in minutes. With up to 18” planting depth this garden bed is perfect for growing vegetables with extensive root systems such as cucumbers, potatoes, squash and tomatoes. The rough sawn rustic appearance looks great in any setting.