18 x 4 x 4 Long Corrugated Boxes

- Perfect fit for long and narrow items, no need for custom shipping boxes
- Opens along the length for easy access
- Shipped flat and bundled for compact storage
- Larger quantities available, call for quote
- Bundle/bale quantity: 25/1000
- Weight per bundle: 9 lbs
- Outside dimensions: 18 3/8 x 4 3/8 x 4 5/8 (+/- 1/8)
- Meets ASTM D5118 specifications
- Made of sturdy 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
- Pound test refers to bursting strength, ECT refers to stacking strength
- Box strength guidelines based on maximum weight per box
- Fiber box handbook and UPS guidelines provided for reference
- Suitable for lightweight shipments as an alternative to heavier boxes
- Available in single or double wall options with varying weight capacities