Product Biodegradability Indicator N. For moderate stand-alone stacking and use with shelving units. Closure Type Lift-Off Lid. Double-end, single-side construction. Basic-duty design with standard set-up construction.
About half of these particular boxes didn't have the score on one part and so had to use utility knife to get the lid away from the inner box piece. The boxes are sturdy though except for that one flaw in manufacturing.