I make them to order, the dimensions are 35 x 20 inches ; box is 11 inches deep. Box made with 100% cedar so it will last! No Plywood.
Can ad a trellis for extra.
Great drainage and aeration and the boxes all include a liner, so its ready for dirt. Perfect for patios and decks, lots of room for vegetables, flowers and herbs.
I am building a couple of these and am open to making something special for you if you need a different size.