The Eden raised garden bed 4' x 4' x 5.5in is a great addition to any garden or landscape. The Eden line of raised garden beds in a functional alternative to in ground gardens. Constructed from solid fir wood (which is rot resistant), easily assembled with no tools needed, takes an average of a few Min to assemble. The custom design allows for a solid raised garden bed with minimal efforts & again no tools needed. Standing at 5.5" tall, this design allows for deep rooted plants & perennials & is easily expandable by adding another Eden raised garden bed right on top through our unique locking design. The design allows for multiple layers to be added as your garden needs change.