| 6 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/1500 | $.42 | $.42 | $.41 | $.40 | $.40 | |
| 8 x 8 x 8" | ECT-44 Single Wall Corrugated | 25/500 | .70 | .69 | .68 | .67 | .65 | |
| 9 x 9 x 9" | ECT-44 Single Wall Corrugated | 25/600 | 1.76 | 1.73 | 1.70 | 1.67 | 1.65 | |
| 10 x 8 x 6" | ECT-44 Single Wall Corrugated | 25/900 | 1.29 | 1.27 | 1.25 | 1.23 | 1.21 | |
| 10 x 10 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 1.00 | .98 | .96 | .95 | .93 | |
| 11 1/4 x 8 3/4 x 6" | ECT-44 Single Wall Corrugated | 25/750 | .99 | .97 | .95 | .94 | .92 | |
| 11 1/4 x 8 3/4 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 1.78 | 1.75 | 1.72 | 1.70 | 1.67 | |
| 11 1/4 x 8 3/4 x 12" | ECT-44 Single Wall Corrugated | 25/500 | 1.27 | 1.25 | 1.23 | 1.21 | 1.19 | |
| 12 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/500 | .85 | .83 | .82 | .80 | .79 | |
| 12 x 10 x 4" | ECT-44 Single Wall Corrugated | 25/750 | 1.69 | 1.66 | 1.63 | 1.60 | 1.58 | |
| 12 x 10 x 6" | ECT-44 Single Wall Corrugated | 25/500 | .99 | .97 | .95 | .94 | .92 | |
| 12 x 10 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 1.39 | 1.37 | 1.35 | 1.32 | 1.30 | |
| 12 x 12 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 1.29 | 1.27 | 1.25 | 1.23 | 1.21 | |
| 12 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 2.33 | 2.29 | 2.26 | 2.22 | 2.18 | |
| 12 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 2.50 | 2.46 | 2.42 | 2.37 | 2.33 | |
| 12 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 1.42 | 1.40 | 1.37 | 1.35 | 1.33 | |
| 13 x 13 x 13" | ECT-44 Single Wall Corrugated | 25/500 | 3.52 | 3.46 | 3.40 | 3.35 | 3.29 | |
| 14 x 10 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 2.61 | 2.56 | 2.52 | 2.48 | 2.44 | |
| 14 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 1.73 | 1.70 | 1.67 | 1.65 | 1.62 | |
| 14 x 14 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 3.59 | 3.53 | 3.47 | 3.42 | 3.36 | |
| 14 x 14 x 14" | ECT-44 Single Wall Corrugated | 25/250 | 2.08 | 2.04 | 2.01 | 1.98 | 1.94 | |
| 15 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 2.88 | 2.84 | 2.79 | 2.74 | 2.69 | |
| 15 x 15 x 15" | ECT-44 Single Wall Corrugated | 25/250 | 4.78 | 4.70 | 4.62 | 4.55 | 4.47 | |
| 16 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/250 | 1.50 | 1.48 | 1.46 | 1.43 | 1.41 | |
| 16 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 3.42 | 3.36 | 3.31 | 3.25 | 3.20 | |
| 16 x 12 x 12" | ECT-44 Single Wall Corrugated | 15/240 | 2.00 | 1.96 | 1.93 | 1.90 | 1.87 | |
| 16 x 14 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 3.86 | 3.80 | 3.73 | 3.67 | 3.61 | |
| 16 x 16 x 16" | ECT-44 Single Wall Corrugated | 25/125 | 2.59 | 2.55 | 2.51 | 2.46 | 2.42 | |
| 17 1/4 x 11 1/4 x 6" | ECT-44 Single Wall Corrugated | 25/250 | 1.43 | 1.41 | 1.39 | 1.36 | 1.34 | |
| 17 1/4 x 11 1/4 x 8" | ECT-44 Single Wall Corrugated | 25/250 | 1.65 | 1.62 | 1.60 | 1.57 | 1.54 | |
| 17 1/4 x 11 1/4 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 1.71 | 1.69 | 1.66 | 1.63 | 1.60 | |
| 17 1/4 x 11 1/4 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 1.97 | 1.94 | 1.90 | 1.87 | 1.84 | |
| 18 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 2.15 | 2.12 | 2.08 | 2.05 | 2.01 | |
| 18 x 18 x 12" | ECT-44 Single Wall Corrugated | 25/125 | 3.04 | 2.99 | 2.94 | 2.89 | 2.84 | |
| 18 x 18 x 18" | ECT-44 Single Wall Corrugated | 20/120 | 3.13 | 3.08 | 3.03 | 2.98 | 2.93 | |
| 20 x 16 x 14" | ECT-44 Single Wall Corrugated | 15/120 | 2.74 | 2.69 | 2.65 | 2.60 | 2.56 | |
| 20 x 20 x 12" | ECT-44 Single Wall Corrugated | 10/120 | 4.68 | 4.61 | 4.53 | 4.45 | 4.38 | |
| 20 x 20 x 20" | ECT-44 Single Wall Corrugated | 10/120 | 4.18 | 4.11 | 4.04 | 3.97 | 3.90 | |
| 22 x 22 x 22" | ECT-44 Single Wall Corrugated | 10/120 | 5.59 | 5.50 | 5.41 | 5.32 | 5.23 | |
| 24 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/125 | 2.82 | 2.78 | 2.73 | 2.68 | 2.64 | |
| 24 x 18 x 12" | ECT-44 Single Wall Corrugated | 15/150 | 3.51 | 3.46 | 3.40 | 3.34 | 3.29 | |
| 24 x 18 x 18" | ECT-44 Single Wall Corrugated | 10/120 | 3.80 | 3.74 | 3.68 | 3.62 | 3.56 | |
| 24 x 24 x 12" | ECT-44 Single Wall Corrugated | 10/120 | 5.60 | 5.51 | 5.42 | 5.32 | 5.23 | |
| 24 x 24 x 24" | ECT-44 Single Wall Corrugated | 10/120 | 8.36 | 8.22 | 8.08 | 7.95 | 7.81 | |