Greenes Fence Stair-Step Dovetail Raised Garden Bed Made in the USA from naturally rot- and insect-resistant cedar. The wood is chemical free. Top tier offers 14&quot; depth, middle tier offers 10.5&quot; depth, and lower tier offers 7&quot; depth Package contains 2 Tall Posts, 10 Short Posts, 31 Boards, 8 Caps and 8 Screws. 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.