The Packaging Wholesalers 30 x 5 x 24 Inches Picture and Mirror Shipping/Moving Boxes, 20-Count (BS300524FOL) Heavy Duty 200 lb / 32 ECT Sold in bundles of 20 30x5x24 Picture Frame Moving Boxes Shipping dimensions: 35.2 x 34.5 x 5.8 inches and Assembled dimension: 30 x 5 x 24 inches