| 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 |