20 x 20 x 18 Corrugated Boxes

- Use for packing, shipping, and storing products
- Easy to set up, load, and close
- Shipped flat for freight savings
- Available in bundles of 10, weighing 120 lbs per bundle
- Dimensions: 20 3/8 x 20 3/8 x 18 5/8 inches
- Made of 200# kraft test boxes, with C flute except for specific sizes
- All boxes open along the length and have glued seams
- Meets ASTM D5118 specifications
- 200# Test boxes have 60% stronger bursting strength and are recommended by UPS for shipping up to 40 lbs
- 32 ECT boxes are recommended by UPS for shipping up to 30 lbs and have a stacking strength of 32 lbs/linear inch
- Fiber box strength guidelines (maximum weight per box):
- 32 ECT Single Wall: 65 lbs (UPS guidelines: 30 lbs)
- 200# Single Wall: 65 lbs (UPS guidelines: 40 lbs)
- 275# Single Wall: 95 lbs (UPS guidelines: 65 lbs)
- 350# Single Wall: 120 lbs (UPS guidelines: 80 lbs)
- 200# Double Wall: 80 lbs (UPS guidelines: 60 lbs)
- 275# Double Wall: 100 lbs (UPS guidelines: 80 lbs)
- 350# Double Wall: 120 lbs (UPS guidelines: 100 lbs)
- 500# Double Wall: 160 lbs (UPS guidelines: 140 lbs)