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Pratt 100% Recycled Corrugated Cardboard Box, 20 Length x 20 Width x 4 Height, Kraft
The Pratt recycled corrugated cardboard single wall standard flat box is made of 100 percent recycled, 32 ECT grade, single wall, C flute corrugated fiberboard with standard kraft color in a flat square shape for packing, shipping, and storing. The box has a 32 edge crush test (ECT) value. ECT grade corrugated cardboard is constructed, tested, and graded for compressive strength, which is a useful quality for stacking; ECT values are measured in pounds per inch, and range between 23 and 112. The flat square shape fits frames, books, or other flat items. This regular slotted

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Price: $40.99