A flexible solution to your storage needs. These finely crafted boxes stack and rotate independently, free from hardware and held in place by gravity. The Perf Boxes are part of the permanent collection at the SFMoMA.SPECIFICATIONS Birch ply, inside dimensions of each box: 12.5d x 12w x 14h2 stack: 13d x 13w x 33h3 stack: 13d x 13w x 49h4 stack: 13d x 13w x 65h