UBOXES Assorted Picture & Mirror Moving Boxes Super Bundle 8 Set 20 PANELS TOTAL-- 8 PANELS FOR TWO COMPLETE 40X60" BOXES AND 12 PANELS FOR SIX COMPLETE 30X40" BOXES. Telescopic style will adjust to fit items of various sizes! Can fit 1-3 pictures per box, based on thickness of frame. Each box is 4" in width! Single wall corrugated 32 ECT Be sure to wrap your items with bubble for extra protection while in transit!