| 6 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/1500 | $.66 | $.65 | $.64 | $.63 | $.63 | |
| 8 x 8 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 1.00 | .98 | .97 | .95 | .94 | |
| 9 x 9 x 9" | ECT-44 Single Wall Corrugated | 25/600 | 1.89 | 1.86 | 1.83 | 1.80 | 1.79 | |
| 10 x 8 x 6" | ECT-44 Single Wall Corrugated | 25/900 | 1.39 | 1.37 | 1.35 | 1.33 | 1.32 | |
| 10 x 10 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 1.33 | 1.31 | 1.29 | 1.27 | 1.26 | |
| 11 1/4 x 8 3/4 x 6" | ECT-44 Single Wall Corrugated | 25/750 | 1.06 | 1.04 | 1.03 | 1.01 | 1.00 | |
| 11 1/4 x 8 3/4 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 1.91 | 1.88 | 1.85 | 1.83 | 1.81 | |
| 11 1/4 x 8 3/4 x 12" | ECT-44 Single Wall Corrugated | 25/500 | 1.36 | 1.34 | 1.32 | 1.30 | 1.29 | |
| 12 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/500 | .91 | .89 | .88 | .87 | .86 | |
| 12 x 10 x 4" | ECT-44 Single Wall Corrugated | 25/750 | 1.81 | 1.78 | 1.75 | 1.73 | 1.71 | |
| 12 x 10 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 1.28 | 1.26 | 1.24 | 1.23 | 1.22 | |
| 12 x 10 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 1.49 | 1.47 | 1.45 | 1.43 | 1.41 | |
| 12 x 12 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 1.39 | 1.37 | 1.34 | 1.32 | 1.31 | |
| 12 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 2.50 | 2.46 | 2.43 | 2.39 | 2.37 | |
| 12 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 2.68 | 2.64 | 2.60 | 2.56 | 2.54 | |
| 12 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 1.94 | 1.91 | 1.88 | 1.85 | 1.84 | |
| 13 x 13 x 13" | ECT-44 Single Wall Corrugated | 25/500 | 3.77 | 3.72 | 3.66 | 3.60 | 3.57 | |
| 14 x 10 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 2.80 | 2.75 | 2.71 | 2.67 | 2.65 | |
| 14 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 1.86 | 1.83 | 1.80 | 1.77 | 1.76 | |
| 14 x 14 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 3.85 | 3.80 | 3.74 | 3.68 | 3.65 | |
| 14 x 14 x 14" | ECT-44 Single Wall Corrugated | 25/250 | 2.39 | 2.35 | 2.31 | 2.28 | 2.26 | |
| 15 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 3.09 | 3.05 | 3.00 | 2.95 | 2.93 | |
| 15 x 15 x 15" | ECT-44 Single Wall Corrugated | 25/250 | 5.13 | 5.05 | 4.97 | 4.90 | 4.86 | |
| 16 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/250 | 1.87 | 1.85 | 1.82 | 1.79 | 1.78 | |
| 16 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 3.67 | 3.61 | 3.56 | 3.50 | 3.48 | |
| 16 x 12 x 12" | ECT-44 Single Wall Corrugated | 15/240 | 2.14 | 2.11 | 2.08 | 2.04 | 2.03 | |
| 16 x 14 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 4.14 | 4.08 | 4.02 | 3.95 | 3.92 | |
| 16 x 16 x 16" | ECT-44 Single Wall Corrugated | 25/125 | 3.40 | 3.35 | 3.29 | 3.24 | 3.22 | |
| 17 1/4 x 11 1/4 x 6" | ECT-44 Single Wall Corrugated | 25/250 | 1.54 | 1.52 | 1.49 | 1.47 | 1.46 | |
| 17 1/4 x 11 1/4 x 8" | ECT-44 Single Wall Corrugated | 25/250 | 1.77 | 1.74 | 1.72 | 1.69 | 1.68 | |
| 17 1/4 x 11 1/4 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 1.84 | 1.81 | 1.78 | 1.76 | 1.74 | |
| 17 1/4 x 11 1/4 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 2.11 | 2.08 | 2.05 | 2.02 | 2.00 | |
| 18 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 2.31 | 2.27 | 2.24 | 2.20 | 2.19 | |
| 18 x 18 x 12" | ECT-44 Single Wall Corrugated | 25/125 | 3.26 | 3.21 | 3.16 | 3.11 | 3.09 | |
| 18 x 18 x 18" | ECT-44 Single Wall Corrugated | 20/120 | 4.05 | 3.99 | 3.93 | 3.86 | 3.83 | |
| 20 x 16 x 14" | ECT-44 Single Wall Corrugated | 15/120 | 3.32 | 3.27 | 3.22 | 3.17 | 3.14 | |
| 20 x 20 x 12" | ECT-44 Single Wall Corrugated | 10/120 | 5.02 | 4.95 | 4.87 | 4.80 | 4.76 | |
| 20 x 20 x 20" | ECT-44 Single Wall Corrugated | 10/120 | 5.26 | 5.18 | 5.10 | 5.02 | 4.98 | |
| 22 x 22 x 22" | ECT-44 Single Wall Corrugated | 10/120 | 6.00 | 5.91 | 5.82 | 5.73 | 5.68 | |
| 24 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/125 | 3.03 | 2.98 | 2.94 | 2.89 | 2.87 | |
| 24 x 18 x 12" | ECT-44 Single Wall Corrugated | 15/150 | 4.42 | 4.36 | 4.29 | 4.22 | 4.19 | |
| 24 x 18 x 18" | ECT-44 Single Wall Corrugated | 10/120 | 4.72 | 4.65 | 4.58 | 4.51 | 4.47 | |
| 24 x 24 x 12" | ECT-44 Single Wall Corrugated | 10/120 | 6.01 | 5.92 | 5.83 | 5.73 | 5.69 | |
| 24 x 24 x 24" | ECT-44 Single Wall Corrugated | 10/120 | 8.97 | 8.83 | 8.70 | 8.56 | 8.49 | |