Heavy duty boxes are stronger than standard boxes. They meet ECT 44 (44 lbs. per inch), which is comparable to a 250-lb. burst strength.

Fold along the built-in incremental creases to customize the height.

Lined with thick polystyrene panels, these boxes protect temperature-sensitive products during shipment.

Slide the 6" long cap onto one end; the other end has a permanent steel cap.

Because of their square shape, these tubes won't roll away. They can be stacked, and the flat surface is easier to label than a round surface.

A conductive coating protects sensitive contents from electrostatic discharge.