Book Boxes, 4" wide, set of 20 w/labels

Easy to assemble 4"w x 4-1/2"h x 12"d cardboard bin boxes for storing books by levels, with numbered labels 1-20. This set has 1 box for each level in the RR program; use extra boxes for storing unleveled books for RTK, or for levels with more books than will fit in 1 box. Plain white, so you can decorate it as desired. Shipped flat.

See also our other economy book box sets: BB010 6" wide and BB012 12" tall sets. Or see all our book storage boxes.