Up North Plastics produces the highest quality agricultural plastics out there. They only use premium grade polyethylene resins to produce bunker covers, silage bags, and bales wrap to survive the demanding conditions on your farm. | Bag Size | Volume of filled bag allowing 15' for sealing ends | Average tonnage per foot of bag | Average Tonnage of filled bag | Bushels of HM Shell Corn |
| 8x100 | 4,272 cu.ft | 1.11 | 94 | 3,100 |
| 8x150 | 6,782 cu.ft | 1.11 | 150 | 5,000 |
| 8x200 | 9,294 cu.ft. | 1.11 | 205 | 6,700 |
| 8x250 | 11,806 cu. ft. | 1.11 | 260 | 8,600 |
| 8x300 | 14,318 cu. ft. | 1.11 | 316 | 10,500 |
| 9x135 | 7,633 cu. ft. | 1.4 | 168 | 5,500 |
| 9x150 | 8,585 cu. ft. | 1.4 | 190 | 6,200 |
| 9x200 | 11,764 cu. ft. | 1.4 | 260 | 8,500 |
| 9x250 | 13,282 cu. ft. | 1.4 | 330 | 11,000 |
| 9x300 | 16,108 cu. ft. | 1.4 | 400 | 13,300 |
| 10x150 | 10,597 cu. ft. | 1.73 | 235 | 7,700 |
| 10x200 | 14,523 cu. ft. | 1.73 | 320 | 10,500 |
| 10x250 | 18,457 cu. ft. | 1.73 | 407 | 13,500 |
| 10x300 | 22,372 cu. ft. | 1.73 | 493 | 16,350 |
| Average tonnage per foot of bag | Average Tonnage of filled bag | Bushels of HM Shell Corn | ||
| 12x200 | 20,340 cu. ft. | 2.32 | 418 | 14,600 |
| 12x250 | 25,990 cu. ft. | 2.32 | 534 | 18,700 |
| 12x300 | 31,640 cu. ft. |