20.3in X 13.1in X 30.1in Kraft Corrugated Shipping Boxes - 4442K31
- 20.3in X 13.1in X 30.1in Kraft Corrugated Shipping Boxes
- 20" x 13" x 30"
- Medium duty standard boxes
20.3in x 13.1in x 30.1in Kraft Medium-Duty Corrugated Boxes
These medium duty corrugated boxes have a thin corrugated wall designed for stacking strength. Box strength is measured using the edge crush Test (ECT); the corrugation used in these boxes can withstand 32 pounds per square inch (32 ECT). (Box contents should not exceed 35 lbs.) Boxes meet ASTM-D5118. Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.