12 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
- Bundle/ bale quantity: 25 / 250 lbs./ bundle
- Dimensions: 12 3/8 x 12 3/8 x 18 5/8 (+/- 1/8)
- Material: 200# kraft test boxes (C flute) except for B flute options
- Features: All boxes open along the length, glued seams
- Meets ASTM D5118 specifications
- 200# Test vs 32 ECT (Edge Crush Test):
- 200# Test: 60% stronger bursting strength, 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: 200# test boxes can withstand 200 lbs/sq.in. of side wall pressure before bursting.
- ECT Refers to Stacking Strength: 32 ECT boxes can withstand 32 lbs/linear inch of stacking weight before crushing, making them a suitable option for lightweight shipments.
- Box Strength Guidelines (Maximum weight per box):
- Fiber Box Handbook: UPS Guidelines
- 32 ECT Single Wall: 65 lbs / 30 lbs
- 200# Single Wall: 65 lbs / 40 lbs
- 275# Single Wall: 95 lbs / 65 lbs
- 350# Single Wall: 120 lbs / 80 lbs
- 200# Double Wall: 80 lbs / 60 lbs
- 275# Double Wall: 100 lbs / 80 lbs
- 350# Double Wall: 120 lbs / 100 lbs
- 500# Double Wall: 160 lbs / 140 lbs