4 x 4 x 18 Tall Corrugated Boxes

- Easily ship irregularly shaped items such as golf clubs, lamps, carpet rolls, and fishing poles
- Tall shipping boxes open along the length, requiring less tape compared to long boxes
- Available in a bundle/bale quantity of 25 or 1000
- Dimensions: Outside - 4 3/8 x 4 3/8 x 18 5/8 (+/- 1/8)
- Suitable for use with all FedEx and UPS services, meeting their dimensional weight requirements (3 lbs)
- Made from durable C flute material
- All boxes open along the length (first dimension) and have glued seams
- Complies with ASTM D5118 standards
- 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, while ECT refers to stacking strength
- Box strength guidelines (maximum weight per box) according to the Fiber Box Handbook and UPS guidelines:
- 32 ECT Single Wall - 65 lbs (Fiber Box Handbook), 30 lbs (UPS)
- 200# Single Wall - 65 lbs (Fiber Box Handbook), 40 lbs (UPS)
- 275# Single Wall - 95 lbs (Fiber Box Handbook), 65 lbs (UPS)
- 350# Single Wall - 120 lbs (Fiber Box Handbook), 80 lbs (UPS)
- 200# Double Wall - 80 lbs (Fiber Box Handbook), 60 lbs (UPS)
- 275# Double Wall - 100 lbs (Fiber Box Handbook), 80 lbs (UPS)
- 350# Double Wall - 120 lbs (Fiber Box Handbook), 100 lbs (UPS)
- 500# Double