28 x 18 x 12 Corrugated Boxes

- Use for packing, shipping, and storing products
- Easy to set up, load, and close
- Shipped flat for freight savings
- Available in bundle/bale quantities of 15 and 120 lbs per bundle
- Dimensions: 28 3/8 x 18 3/8 x 12 5/8 (+/- 1/8)
- Suitable for use with FedEx and UPS
- Made of 200# kraft test material, with C flute construction
- Some sizes available in B flute: 3 x 3 x 3, 4 x 4 x 3, 4 x 4 x 4, 4 x 4 x 5, and 5 x 5 x 5
- Boxes open along the length (first dimension) and have glued seams
- Meets ASTM D5118 specifications
- 200# Test has 60% stronger bursting strength and is 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:
- Single Wall 32 ECT: maximum weight of 30 lbs
- Single Wall 200#: maximum weight of 40 lbs
- Single Wall 275#: maximum weight of 65 lbs
- Single Wall 350#: maximum weight of 80 lbs
- Double Wall 200#: maximum weight of 60 lbs
- Double Wall 275#: maximum weight of 80 lbs
- Double Wall 350#: maximum weight of 100 lbs
- Double Wall 500#: maximum weight of 140 lbs