21 x 13 x 13 Corrugated Boxes

- Ideal for packing, shipping, and storing products
- Quick and easy setup, loading, and closure
- Shipped flat for cost-effective freight savings
- Bundle/bale quantity of 20 with a total weight of 240 lbs per bundle
- Dimensions: 21 3/8 x 13 3/8 x 13 5/8 (+/- 1/8)
- Compatible with FedEx and UPS dimensional weight guidelines (28 lbs)
- Made from durable 200# kraft test material (C flute, except for select sizes)
- All boxes open along the length for easy access
- Glued seams for added strength
- Meets ASTM D5118 specifications
- 200# test boxes recommended for shipping up to 40 lbs, while 32 ECT is recommended for up to 30 lbs
- Pound test refers to bursting strength (200# test withstands 200 lbs/sq.in. of side wall pressure)
- ECT refers to stacking strength (32 ECT boxes withstand 32 lbs/linear inch of stacking weight)
- Suitable for lightweight shipments as an alternative to heavier boxes
- Box strength guidelines (maximum weight per box) based on Fiber Box Handbook and UPS guidelines:
- 32 ECT single wall: 65 lbs (UPS) / 30 lbs (Fiber Box Handbook)
- 200# single wall: 65 lbs (UPS) / 40 lbs (Fiber Box Handbook)
- 275# single wall: 95 lbs (UPS) / 65 lbs (Fiber Box Handbook)
- 350# single wall: 120 lbs (UPS) / 80 lbs (Fiber Box Handbook)
- 200# double wall: 80 lbs (UPS) / 60 lbs (Fiber Box Handbook)
- 275# double wall: 100 lbs (UPS) / 80 lbs (Fiber Box Handbook)
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