The RTS Home Accents Rock Lock Raised Garden Bed is an interlocking border system that looks and feels like stone. Achieve beautiful looking walls in just minutes with endless layout possibilities. The easy to assemble modules will allow you to have the look and feel of rock walls while each section only weighs 9 lbs. The border system is suitable all year round and will not crack, chip or fade in any weather. Rock Lock will also extend your growing season as the hollow walls insulate the soil and plants. I for vegetable gardens, flower gardens, water gardens, retaining walls, sand boxes and playgrounds. Look and feel of stone Easy to assemble Endless layout possibilities Suitable all year round Will not crack, chip or fade in any weather Extends your growing season as the hollow walls insulate soil and plants I for vegetable gardens, flower gardens, water gardens, retaining walls, sand boxes and playgrounds BPA Residential Kit: 2 Straights includes 2x straight pieces and 2x 18-inch spikesResidential Kit: 4 Straights includes 4x straight pieces and 4x 18-inch spikes