Essential Home 5-Cube Storage Unit (Oak) for $26.99. Order online for in-store pickup at Kmart to lock in the price and save on shipping. Otherwise, shipping is $5.75 for a total of $32.74 shipped. Here is a screenshot for your reference. The storage unit is made of wood composite, has 2 large rectangular and 3 small square compartments, and measures 35.4″W x 15″D x 18.3″H.