| 12 x 3 x 3" | ECT-32 Single Wall Corrugated | 25/1800 | $1.81 | $1.78 | $1.75 | $1.72 | $1.69 | |
| 12 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/900 | 1.27 | 1.25 | 1.23 | 1.21 | 1.19 | |
| 12 x 4 x 48" | Inside Telescopic HSC | 15/180 | 13.32 | 13.09 | 12.87 | 12.64 | 12.42 | |
| 12 x 5 x 4" | ECT-32 Single Wall Corrugated | 25/1500 | 1.25 | 1.23 | 1.21 | 1.19 | 1.17 | |
| 12 x 5 x 5" | ECT-32 Single Wall Corrugated | 25/1000 | 1.28 | 1.26 | 1.24 | 1.21 | 1.19 | |
| 12 x 6 x 2" | ECT-32 Single Wall Corrugated | 25/1500 | 2.08 | 2.04 | 2.01 | 1.97 | 1.94 | |
| 12 x 6 x 3" | ECT-32 Single Wall Corrugated | 25/1250 | 1.31 | 1.29 | 1.27 | 1.25 | 1.22 | |
| 12 x 6 x 4" | ECT-32 Single Wall Corrugated | 25/1000 | 1.38 | 1.36 | 1.33 | 1.31 | 1.29 | |
| 12 x 6 x 5" | ECT-32 Single Wall Corrugated | 25/1000 | 1.46 | 1.44 | 1.41 | 1.39 | 1.36 | |
| 12 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/1000 | 1.58 | 1.56 | 1.53 | 1.50 | 1.48 | |
| 12 x 6 x 6" | 4,2" | 25/750 | 1.70 | 1.67 | 1.64 | 1.62 | 1.59 | |
| 12 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 2.16 | 2.13 | 2.09 | 2.05 | 2.02 | |
| 12 x 6 x 8" | ECT-32 Single Wall Corrugated | 25/750 | 1.91 | 1.88 | 1.85 | 1.82 | 1.78 | |
| 12 x 6 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.09 | 2.06 | 2.02 | 1.99 | 1.95 | |
| 12 x 6 x 12 3/4" | ECT-44 Single Wall Corrugated | 20/560 | 14.07 | 13.84 | 13.60 | 13.36 | 13.12 | |
| 12 x 7 x 5" | ECT-32 Single Wall Corrugated | 25/900 | 2.18 | 2.14 | 2.10 | 2.07 | 2.03 | |
| 12 x 7 x 7" | ECT-32 Single Wall Corrugated | 25/900 | 2.28 | 2.24 | 2.21 | 2.17 | 2.13 | |
| 12 x 8 x 3" | ECT-32 Single Wall Corrugated | 25/1000 | 2.26 | 2.22 | 2.18 | 2.15 | 2.11 | |
| 12 x 8 x 4" | ECT-32 Single Wall Corrugated | 25/750 | 1.71 | 1.68 | 1.65 | 1.62 | 1.59 | |
| 12 x 8 x 5" | ECT-32 Single Wall Corrugated | 25/750 | 1.90 | 1.87 | 1.84 | 1.81 | 1.77 | |
| 12 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/750 | 1.71 | 1.68 | 1.65 | 1.62 | 1.59 | |
| 12 x 8 x 6" | ECT-48 Double Wall Corrugated | 15/300 | 4.79 | 4.70 | 4.62 | 4.54 | 4.46 | |
| 12 x 8 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 1.85 | 1.82 | 1.79 | 1.76 | 1.73 | |
| 12 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 1.90 | 1.87 | 1.83 | 1.80 | 1.77 | |
| 12 x 8 x 8" | White | 25/900 | 2.85 | 2.81 | 2.76 | 2.71 | 2.66 | |
| 12 x 8 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 3.29 | 3.23 | 3.18 | 3.12 | 3.07 | |
| 12 x 9 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 2.21 | 2.17 | 2.13 | 2.10 | 2.06 | |
| 12 x 9 x 3" | ECT-32 Single Wall Corrugated | 25/750 | 1.78 | 1.75 | 1.72 | 1.69 | 1.66 | |
| 12 x 9 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.83 | 1.80 | 1.77 | 1.74 | 1.71 | |
| 12 x 9 x 4" | White | 25/500 | 2.15 | 2.11 | 2.07 | 2.04 | 2.00 | |
| 12 x 9 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 1.76 | 1.73 | 1.70 | 1.67 | 1.64 | |
| 12 x 9 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 1.99 | 1.95 | 1.92 | 1.89 | 1.85 | |
| 12 x 9 x 6" | 4,2" | 25/500 | 2.28 | 2.24 | 2.20 | 2.17 | 2.13 | |
| 12 x 9 x 6" | ECT-48 Double Wall Corrugated | 15/450 | 5.27 | 5.18 | 5.09 | 5.00 | 4.91 | |
| 12 x 9 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.08 | 2.05 | 2.01 | 1.98 | 1.94 | |
| 12 x 9 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.21 | 2.17 | 2.13 | 2.10 | 2.06 | |
| 12 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.21 | 2.17 | 2.13 | 2.10 | 2.06 | |
| 12 x 9 x 9" | ECT-48 Double Wall Corrugated | 15/300 | 6.37 | 6.26 | 6.15 | 6.05 | 5.94 | |
| 12 x 9 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.43 | 2.39 | 2.35 | 2.31 | 2.27 | |
| 12 x 9 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.61 | 2.56 | 2.52 | 2.48 | 2.43 | |
| 12 x 10 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 3.28 | 3.23 | 3.17 | 3.12 | 3.06 | |
| 12 x 10 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 1.91 | 1.88 | 1.84 | 1.81 | 1.78 | |
| 12 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/750 | 1.87 | 1.84 | 1.81 | 1.78 | 1.74 | |
| 12 x 10 x 4" | 2" | 25/750 | 1.88 | 1.85 | 1.81 | 1.78 | 1.75 | |
| 12 x 10 x 4" | ECT-44 Single Wall Corrugated | 25/750 | 4.38 | 4.30 | 4.23 | 4.15 | 4.08 | |
| 12 x 10 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.05 | 2.01 | 1.98 | 1.94 | 1.91 | |
| 12 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.18 | 2.14 | 2.10 | 2.07 | 2.03 | |
| 12 x 10 x 6" | 4,2" | 25/500 | 2.80 | 2.75 | 2.71 | 2.66 | 2.61 | |
| 12 x 10 x 6" | White | 25/500 | 2.52 | 2.48 | 2.44 | 2.40 | 2.35 | |
| 12 x 10 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 2.97 | 2.92 | 2.87 | 2.82 | 2.77 | |
| 12 x 10 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.25 | 2.21 | 2.17 | 2.13 | 2.09 | |
| 12 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.26 | 2.22 | 2.19 | 2.15 | 2.11 | |
| 12 x 10 x 8" | 6,4" | 25/500 | 2.47 | 2.43 | 2.39 | 2.35 | 2.31 | |
| 12 x 10 x 8" | White | 25/500 | 2.91 | 2.86 | 2.81 | 2.76 | 2.71 | |
| 12 x 10 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 3.56 | 3.50 | 3.44 | 3.38 | 3.32 | |
| 12 x 10 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.48 | 2.43 | 2.39 | 2.35 | 2.31 | |
| 12 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.30 | 2.26 | 2.22 | 2.18 | 2.14 | |
| 12 x 10 x 10" | White | 25/500 | 2.95 | 2.90 | 2.85 | 2.80 | 2.75 | |
| 12 x 10 x 10" | ECT-48 Double Wall Corrugated | 15/300 | 7.23 | 7.10 | 6.98 | 6.86 | 6.74 | |
| 12 x 10 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 3.14 | 3.08 | 3.03 | 2.98 | 2.92 | |
| 12 x 10 x 14" | ECT-32 Single Wall Corrugated | 25/500 | 4.96 | 4.87 | 4.79 | 4.71 | 4.62 | |
| 12 x 11 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.36 | 2.32 | 2.28 | 2.24 | 2.20 | |
| 12 x 12 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 3.79 | 3.73 | 3.67 | 3.60 | 3.54 | |
| 12 x 12 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 2.30 | 2.26 | 2.22 | 2.18 | 2.14 | |
| 12 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 2.33 | 2.29 | 2.25 | 2.21 | 2.17 | |
| 12 x 12 x 4" | 2" | 25/500 | 2.68 | 2.64 | 2.59 | 2.55 | 2.50 | |
| 12 x 12 x 4" | White | 25/500 | 4.16 | 4.09 | 4.02 | 3.95 | 3.88 | |
| 12 x 12 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.42 | 2.37 | 2.33 | 2.29 | 2.25 | |
| 12 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.27 | 2.23 | 2.19 | 2.15 | 2.11 | |
| 12 x 12 x 6" | 4" | 25/500 | 2.53 | 2.49 | 2.44 | 2.40 | 2.36 | |
| 12 x 12 x 6" | White | 25/500 | 3.27 | 3.21 | 3.16 | 3.10 | 3.05 | |
| 12 x 12 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 3.31 | 3.25 | 3.20 | 3.14 | 3.08 | |
| 12 x 12 x 6" | ECT-48 Double Wall Corrugated | 15/300 | 4.29 | 4.21 | 4.14 | 4.07 | 4.00 | |
| 12 x 12 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.72 | 2.67 | 2.63 | 2.58 | 2.53 | |
| 12 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.53 | 2.49 | 2.44 | 2.40 | 2.36 | |
| 12 x 12 x 8" | 6,4" | 25/500 | 3.68 | 3.62 | 3.56 | 3.50 | 3.44 | |
| 12 x 12 x 8" | White | 25/500 | 4.06 | 3.99 | 3.92 | 3.85 | 3.78 | |
| 12 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 5.97 | 5.87 | 5.77 | 5.67 | 5.57 | |
| 12 x 12 x 8" | ECT-48 Double Wall Corrugated | 15/300 | 4.81 | 4.73 | 4.65 | 4.56 | 4.48 | |
| 12 x 12 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.92 | 2.87 | 2.82 | 2.77 | 2.72 | |
| 12 x 12 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.73 | 2.69 | 2.64 | 2.59 | 2.55 | |
| 12 x 12 x 10" | 8,6,4" | 25/500 | 3.87 | 3.81 | 3.74 | 3.68 | 3.61 | |
| 12 x 12 x 10" | White | 25/500 | 4.57 | 4.50 | 4.42 | 4.34 | 4.27 | |
| 12 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 6.39 | 6.28 | 6.17 | 6.07 | 5.96 | |
| 12 x 12 x 10" | ECT-48 Double Wall Corrugated | 15/150 | 5.16 | 5.08 | 4.99 | 4.90 | 4.82 | |
| 12 x 12 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 3.21 | 3.15 | 3.10 | 3.04 | 2.99 | |
| 12 x 12 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.59 | 2.54 | 2.50 | 2.46 | 2.41 | |
| 12 x 12 x 12" | 10,8" | 25/500 | 3.03 | 2.98 | 2.93 | 2.88 | 2.83 | |
| 12 x 12 x 12" | White | 25/500 | 3.81 | 3.74 | 3.68 | 3.62 | 3.55 | |
| 12 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 4.63 | 4.55 | 4.47 | 4.39 | 4.32 | |
| 12 x 12 x 12" | V3c - 350# Single Wall | 20/200 | 21.64 | 21.28 | 20.91 | 20.55 | 20.18 | |
| 12 x 12 x 12" | ECT-48 Double Wall Corrugated | 15/150 | 4.94 | 4.86 | 4.77 | 4.69 | 4.61 | |
| 12 x 12 x 12" | ECT-71 Double Wall Corrugated | 15/150 | 18.49 | 18.18 | 17.87 | 17.56 | 17.25 | |
| 12 x 12 x 12" | Printed Deluxe Packing Box | 25/500 | 4.79 | 4.70 | 4.62 | 4.54 | 4.46 | |
| 12 x 12 x 12" | ECT-90 Triple Wall Corrugated | 5/30 | 66.27 | 65.15 | 64.04 | 62.92 | 61.81 | |
| 12 x 12 x 13" | ECT-32 Corrugated | 25/300 | 3.63 | 3.57 | 3.51 | 3.44 | 3.38 | |
| 12 x 12 x 14" | ECT-32 Corrugated | 25/250 | 3.63 | 3.57 | 3.51 | 3.45 | 3.39 | |
| 12 x 12 x 15" | ECT-32 Corrugated | 25/250 | 3.81 | 3.75 | 3.68 | 3.62 | 3.55 | |
| 12 x 12 x 16" | ECT-32 Corrugated | 25/250 | 3.88 | 3.82 | 3.75 | 3.69 | 3.62 | |
| 12 x 12 x 16" | ECT-48 Double Wall Corrugated | 15/150 | 8.66 | 8.52 | 8.37 | 8.23 | 8.08 | |
| 12 x 12 x 18" | ECT-32 Single Wall Corrugated | 25/250 | 4.18 | 4.11 | 4.04 | 3.97 | 3.90 | |
| 12 x 12 x 18" | 16,14,12,10" | 25/500 | 4.25 | 4.18 | 4.11 | 4.04 | 3.97 | |
| 12 x 12 x 18" | ECT-48 Double Wall Corrugated | 15/150 | 11.54 | 11.34 | 11.15 | 10.95 | 10.76 | |
| 12 x 12 x 20" | ECT-32 Single Wall Corrugated | 25/250 | 4.43 | 4.36 | 4.28 | 4.21 | 4.13 | |
| 12 x 12 x 24" | 2 Cubic Feet | 25/250 | 5.02 | 4.94 | 4.85 | 4.77 | 4.68 | |
| 12 x 12 x 30" | ECT-32 Single Wall Corrugated | 15/240 | 5.88 | 5.78 | 5.68 | 5.58 | 5.48 | |
| 12 x 12 x 36" | 3 Cubic Feet | 15/240 | 7.23 | 7.11 | 6.98 | 6.86 | 6.74 | |
| 12 x 12 x 40" | ECT-32 Single Wall Corrugated | 15/120 | 7.68 | 7.55 | 7.42 | 7.30 | 7.17 | |
| 12 x 12 x 46" | Inner Lamp Box HSC | 15/120 | 8.97 | 8.82 | 8.67 | 8.52 | 8.37 | |
| 12 x 12 x 48" | ECT-32 Single Wall Corrugated | 15/120 | 12.99 | 12.77 | 12.55 | 12.33 | 12.11 | |
| 12 x 12 x 48" | ECT-48 Double Wall Corrugated | 10/90 | 23.17 | 22.78 | 22.39 | 22.00 | 21.61 | |
| 12 x 12 x 48" | Inside Telescopic HSC | 15/120 | 14.61 | 14.36 | 14.12 | 13.87 | 13.62 | |
| 12 x 12 x 52" | ECT-32 Single Wall Corrugated | 15/240 | 16.03 | 15.76 | 15.49 | 15.22 | 14.95 | |
| 12 x 12 x 60" | ECT-32 Single Wall Corrugated | 10/120 | 17.33 | 17.04 | 16.75 | 16.46 | 16.17 | |
| 12 x 12 x 72" | ECT-32 Single Wall Corrugated | 10/120 | 20.92 | 20.57 | 20.21 | 19.86 | 19.51 | |
| 12 x 12 x 72" | Inside Telescopic HSC | 15/90 | 30.88 | 30.36 | 29.84 | 29.32 | 28.80 | |
| 12 1/8 x 12 1/8 x 13 9/16" | ECT-51 Double Wall Corrugated | 10/160 | 18.83 | 18.51 | 18.19 | 17.88 | 17.56 | |
| 12 1/4 x 9 1/4 x 6" | ECT-32 Single Wall Corrugated | 25/900 | 2.96 | 2.91 | 2.86 | 2.81 | 2.76 | |
| 12 1/4 x 9 1/4 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.71 | 2.67 | 2.62 | 2.58 | 2.53 | |
| 12 1/4 x 9 1/4 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.69 | 2.64 | 2.60 | 2.55 | 2.51 | |
| 12 1/4 x 9 1/4 x 12" | 10,8,6" | 25/500 | 3.00 | 2.95 | 2.90 | 2.85 | 2.80 | |
| 12 1/4 x 12 1/4 x 12 3/4" | ECT-44 Single Wall Corrugated | 20/480 | 20.59 | 20.24 | 19.90 | 19.55 | 19.20 | |
| 12 5/16 x 12 5/16 x 40" | Printed Outer Lamp Box HSC | 15/120 | 8.19 | 8.05 | 7.91 | 7.77 | 7.63 | |
| 12 1/2 x 3 x 17 1/2" | FOL Self Seal White | 25/875 | 10.80 | 10.62 | 10.43 | 10.25 | 10.07 | |
| 12 1/2 x 4 1/2 x 48" | Outer Telescopic HSC | 15/180 | 14.51 | 14.27 | 14.02 | 13.78 | 13.54 | |
| 12 1/2 x 12 1/2 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.70 | 2.65 | 2.61 | 2.56 | 2.52 | |
| 12 1/2 x 12 1/2 x 6" | 4,2" | 25/500 | 3.20 | 3.15 | 3.09 | 3.04 | 2.98 | |
| 12 1/2 x 12 1/2 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 3.53 | 3.47 | 3.42 | 3.36 | 3.30 | |
| 12 1/2 x 12 1/2 x 12" | 10,8,6" | 25/250 | 4.20 | 4.13 | 4.06 | 3.99 | 3.92 | |
| 12 1/2 x 12 1/2 x 15" | ECT-48 Double Wall Corrugated | 15/150 | 6.52 | 6.41 | 6.30 | 6.19 | 6.08 | |
| 12 1/2 x 12 1/2 x 15 1/8" | ECT-48 Double Wall Corrugated | 10/160 | 19.46 | 19.13 | 18.80 | 18.47 | 18.15 | |
| 12 1/2 x 12 1/2 x 48" | Outside Telescopic HSC | 15/120 | 15.30 | 15.04 | 14.79 | 14.53 | 14.27 | |
| 12 1/2 x 12 1/2 x 72" | Outside Telescopic HSC | 15/90 | 32.58 | 32.04 | 31.49 | 30.94 | 30.39 | |
| 12 3/4 x 6 3/8 x 13 1/2" | Holds 4 - 6 x 6 x 6" Boxes | 25/500 | 2.39 | 2.35 | 2.31 | 2.27 | 2.23 | |
| 12 3/4 x 12 3/4 x 13 1/2" | Holds 8 - 6 x 6 x 6" Boxes | 25/250 | 4.28 | 4.21 | 4.14 | 4.07 | 3.99 | |
| 13 x 3 x 3" | ECT-32 Single Wall Corrugated | 25/1800 | 1.89 | 1.86 | 1.83 | 1.80 | 1.77 | |
| 13 x 3 x 30" | FOL | 25/375 | 8.54 | 8.40 | 8.25 | 8.11 | 7.97 | |
| 13 x 7 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 1.75 | 1.72 | 1.69 | 1.66 | 1.63 | |
| 13 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/900 | 3.26 | 3.20 | 3.15 | 3.09 | 3.04 | |
| 13 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.19 | 2.16 | 2.12 | 2.08 | 2.04 | |
| 13 x 9 x 4" | ECT-32 Single Wall Corrugated | 25/900 | 3.05 | 3.00 | 2.95 | 2.90 | 2.84 | |
| 13 x 9 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.08 | 2.05 | 2.01 | 1.98 | 1.94 | |
| 13 x 9 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.22 | 2.19 | 2.15 | 2.11 | 2.07 | |
| 13 x 9 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 3.66 | 3.60 | 3.53 | 3.47 | 3.41 | |
| 13 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.40 | 2.36 | 2.32 | 2.28 | 2.24 | |
| 13 x 9 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 2.58 | 2.54 | 2.49 | 2.45 | 2.41 | |
| 13 x 10 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 3.61 | 3.55 | 3.49 | 3.43 | 3.37 | |
| 13 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.93 | 1.90 | 1.87 | 1.83 | 1.80 | |
| 13 x 10 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.19 | 2.16 | 2.12 | 2.08 | 2.05 | |
| 13 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.30 | 2.26 | 2.22 | 2.18 | 2.14 | |
| 13 x 10 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.38 | 2.34 | 2.30 | 2.26 | 2.22 | |
| 13 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.45 | 2.41 | 2.37 | 2.33 | 2.29 | |
| 13 x 10 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.56 | 2.51 | 2.47 | 2.43 | 2.38 | |
| 13 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.67 | 2.62 | 2.58 | 2.53 | 2.49 | |
| 13 x 10 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 4.77 | 4.69 | 4.61 | 4.53 | 4.45 | |
| 13 x 10 x 13" | ECT-32 Single Wall Corrugated | 25/500 | 4.28 | 4.21 | 4.13 | 4.06 | 3.99 | |
| 13 x 10 x 15" | ECT-32 Single Wall Corrugated | 25/500 | 5.45 | 5.36 | 5.26 | 5.17 | 5.08 | |
| 13 x 11 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 3.48 | 3.43 | 3.37 | 3.31 | 3.25 | |
| 13 x 11 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.34 | 2.30 | 2.26 | 2.22 | 2.18 | |
| 13 x 11 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.37 | 2.33 | 2.29 | 2.25 | 2.21 | |
| 13 x 11 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.66 | 2.61 | 2.57 | 2.52 | 2.48 | |
| 13 x 11 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.68 | 2.63 | 2.59 | 2.54 | 2.50 | |
| 13 x 11 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.80 | 2.75 | 2.70 | 2.66 | 2.61 | |
| 13 x 11 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 3.14 | 3.09 | 3.03 | 2.98 | 2.93 | |
| 13 x 13 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 4.35 | 4.27 | 4.20 | 4.13 | 4.05 | |
| 13 x 13 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 3.91 | 3.84 | 3.78 | 3.71 | 3.65 | |
| 13 x 13 x 4" | ECT-32 Single Wall Corrugated | 25/250 | 2.61 | 2.57 | 2.52 | 2.48 | 2.43 | |
| 13 x 13 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.90 | 2.85 | 2.80 | 2.75 | 2.70 | |
| 13 x 13 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.92 | 2.87 | 2.82 | 2.77 | 2.72 | |
| 13 x 13 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 3.07 | 3.01 | 2.96 | 2.91 | 2.86 | |
| 13 x 13 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 3.28 | 3.23 | 3.17 | 3.12 | 3.06 | |
| 13 x 13 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 3.32 | 3.26 | 3.20 | 3.15 | 3.09 | |
| 13 x 13 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 3.50 | 3.44 | 3.38 | 3.32 | 3.26 | |
| 13 x 13 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 4.98 | 4.90 | 4.81 | 4.73 | 4.65 | |
| 13 x 13 x 13" | ECT-32 Single Wall Corrugated | 25/500 | 3.61 | 3.55 | 3.49 | 3.43 | 3.37 | |
| 13 x 13 x 13" | 11,9,7" | 25/500 | 3.86 | 3.80 | 3.73 | 3.67 | 3.60 | |
| 13 x 13 x 13" | ECT-44 Single Wall Corrugated | 25/500 | 9.00 | 8.85 | 8.70 | 8.55 | 8.39 | |
| 13 x 13 x 13" | ECT-48 Double Wall Corrugated | 15/180 | 6.50 | 6.39 | 6.28 | 6.17 | 6.07 | |
| 13 x 13 x 15" | ECT-32 Single Wall Corrugated | 25/250 | 4.75 | 4.67 | 4.59 | 4.51 | 4.43 | |
| 13 x 13 x 17" | ECT-32 Single Wall Corrugated | 25/250 | 6.39 | 6.29 | 6.18 | 6.07 | 5.96 | |
| 13 1/4 x 10 1/4 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.67 | 2.63 | 2.58 | 2.54 | 2.49 | |
| 13 1/4 x 10 1/4 x 12" | 10,8,6" | 25/300 | 3.46 | 3.41 | 3.35 | 3.29 | 3.23 | |
| 13 1/2 x 13 1/2 x 7 1/2" | ECT-32 Single Wall Corrugated | 25/500 | 3.30 | 3.25 | 3.19 | 3.14 | 3.08 | |
| 13 3/4 x 9 x 10 3/8" | ECT-51 Double Wall Corrugated | 20/160 | 28.59 | 28.10 | 27.62 | 27.14 | 26.66 | |
| 13 3/4 x 10 1/4 x 9 1/8" | ECT-32 Single Wall Corrugated | 25/500 | 2.63 | 2.58 | 2.54 | 2.50 | 2.45 | |