Dura-Trel 11180 4 by 4 by 1-Feet Raised Planter Bed 20 Year Warranty; 100-percent maintenance free; PVC vinyl will not crack, fade, peel or discolor Easy to Assemble; pre-cut and pre-drilled holes with all hardware included 4 by 4-Inch posts Made in the USA Easy to Clean; simple spray with a garden hose and wipe clean