28 x 4 x 4 Long Corrugated Boxes

- Ideal for shipping long and narrow items without the need for custom boxes
- Box opens along the length for easy packing and unpacking
- Shipped flat and bundled for compact storage
- Larger quantities available, contact for a quote
- Bundle/bale quantity: 25 / 625
- Weight per bundle: 13 lbs
- Dimensions (outside): 28 3/8 x 4 3/8 x 4 5/8 (+/- 1/8)
- Meets ASTM D5118 specifications
- Made from durable C flute material
- Glued seams for added strength
- Available in 200# test or 32 ECT (Edge Crush Test)
- 200# test recommended by UPS for shipping up to 40 lbs
- 32 ECT recommended by UPS for shipping up to 30 lbs
- 200# test refers to bursting strength, can withstand 200 lbs/sq.in. of side wall pressure
- 32 ECT refers to stacking strength, can 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):
- Fiber Box Handbook: 32 ECT single wall - 65 lbs, 200# single wall - 65 lbs, 275# single wall - 95 lbs, 350# single wall - 120 lbs, 200# double wall - 80 lbs, 275# double wall - 100 lbs, 350# double wall - 120 lbs, 500# double wall - 160 lbs
- UPS guidelines: 32 ECT single wall - 30 lbs, 200# single wall - 40 lbs, 275# single wall - 65 lbs, 350# single wall - 80 lbs, 200# double wall - 60 lbs, 275# double wall - 80 lbs, 350