Color of the box, if seller chose to specify it (many do not). Most boxes are Kraft (brown) color.
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Details: Narrow shipping box with longest side of 27-32". Volume will vary based on dimensions. Narrow boxes have a large difference between shortest and longest sides. Perfect for electronics, clothing, frames, mirrors, and spools of wire.
Boxes can be Single, Double, Triple, or Quad Walled. Additional walls increase strength and protection, but also increase cost, size,
and weight.
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Strength: 32 ECT
Strength
Strength of the box measured with either # Test (Bursting Strength Test) or ECT (Edge Crush Test). Higher values indicate a stronger and heavier box.
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