Four – 1 quart haz mat boxes, 9-7/16″ x 9-7/16″ x 5″, 25/pack constructed from strong 275#/ect-44 single wall kraft corrugated holds 4 – 1 quart containers un number: 4g/y16.5/s use these containers to ship your own cans cartons are printed with mandatory warning information “this side up” arrows are printed on 2 sides of the carton cartons ship and store flat to save space in accordance with cfr 49 178.601b, shipper is responsible for choosing the correct packaging for product and for final closure. consult appropriate regulations.