18 x 12 x 18 Corrugated Boxes

- Ideal for packing, shipping, and storing products
- Easy to set up, load, and close
- Shipped flat for cost-effective freight savings
- Available in bundle/bale quantities of 25 or 125 lbs/bundle
- Dimensions: 18 3/8 x 12 3/8 x 18 5/8 (+/- 1/8)
- Compatible with FedEx and UPS dimensional weight guidelines
- Made with 200# kraft test material, with C flute strength (except for select sizes)
- All boxes open along the length (first dimension) and have glued seams
- Meets ASTM D5118 specifications
- Available in 200# test or 32 ECT (Edge Crush Test) options
- 200# test boxes are 60% stronger than 32 ECT and recommended by UPS for shipping up to 40 lbs
- 32 ECT is recommended by UPS for shipping up to 30 lbs
- Pound test refers to bursting strength, while ECT refers to stacking strength
- Box strength guidelines:
- Fiber box handbook: 65 lbs for 32 ECT single wall, 65 lbs for 200# single wall, 95 lbs for 275# single wall, 120 lbs for 350# single wall, 80 lbs for 200# double wall, 100 lbs for 275# double wall, 120 lbs for 350# double wall, and 160 lbs for 500# double wall
- UPS guidelines: 30 lbs for 32 ECT single wall, 40 lbs for 200# single wall, 65 lbs for 275# single wall, 80 lbs for 350# single wall, 60 lbs for 200# double wall, 80 lbs for 275# double wall, 100 lbs for 350# double wall, and 140 lbs for 500# double wall.