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20 letter/legal-size basic-duty cardboard boxes for storage or filing; white color for easy labeling Made of B-flute corrugated cardboard; rated 32 ECT; 450-pound stacking strength; double-walled bottom and ends 2 side handles for easy carrying; boxes can be assembled without packaging tape; collapsible and reusable -
20 letter/legal-size medium-duty cardboard boxes for storage or filing; white color for easy labeling Made of B-flute corrugated cardboard; rated 32 ECT; 700-pound stacking strength; double-walled bottom and ends 2 side handles for easy carrying; boxes can be assembled without packaging tape; collapsible and reusable