Watercolor Blossom Design Print over white covering the entire outer surface of this lovely, decorative box B--Flute Box Corrugated Material with 32 ECT (edge crush test) B-flute offers excellent puncture and crush resistant properties as it is more rigid than the common c-flute box B-flute consumes less warehouse space and is lighter weight to save on shipping. Flutes per Linear Foot: 47; Thickness: 1/8" 100% recyclable