The Caledonian large raised bed offers a quick and easy way of establishing a useful bed for growing a variety of vegetables or other plants in a narrow space. This model is one of a range of three sizes and shapes of raised beds that can be mixed and matched to suit your growing space. The raised bed is made using strong thick timbers that are deep and have been conveniently notched at the ends so they can be easily assembled together with neat and attractive half-lap joints at each corner. All that is required to put the bed together is 4 screws, one in each corner. The screws are supplied with the bed, along with instructions. The wood is pressure treated to protect against rot and comes with a 15-year guarantee. If using to grow food products we recommend lining the bed/planter with a membrane before adding the soil. Forest Garden