Our boxes and hive parts are made by an Amish family right here in Knox County Ohio, and they take pride in their work. All of our lumber is air dried Ohio lumber from their own saw mill. Air dried lumber last longer and holds up better outside than kiln dried. After a few years working with these boxes I have been impressed by the stability of the boxes. The boxes are made with 13/16 inch side walls which adds wall thickness and a little more insulation to the box. We also add cleats handles we call EZ Lift Handles which make it much easier to lift than standard inset handles.