8x4x1 ft MOFEEZ Galvanized Raised Garden Bed Kit $30 & More + free s/h
update: the 8x4x1 sold out, but others are on sale, such as 10x4x1 [amazon.com], and more. use drop down box to see what you may prefer
$30 + free s/h when you clip 50% coupon on the product page