Greenes Fence 48-Inch x 96-Inch Cedar Raised Garden Bed Top tier is 10.5 inches high and lower tier is 7 inches high Made in the USA from naturally rot- and insect-resistant North American Cedar. The wood is 100% chemical free. Boards slide into the corner posts without tools forming a secure garden frame. To install the decorative tops simply use a screw driver. Cedar is natural, untreated, unfinished and rough sawn. Finish varies from product image.