| 12 x 3 x 3" | ECT-32 Single Wall Corrugated | 25/1800 | $1.70 | $1.68 | $1.65 | $1.62 | $1.59 | |
| 12 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/900 | 1.26 | 1.24 | 1.22 | 1.20 | 1.18 | |
| 12 x 4 x 48" | Inside Telescopic HSC | 15/180 | 12.48 | 12.27 | 12.06 | 11.85 | 11.64 | |
| 12 x 5 x 4" | ECT-32 Single Wall Corrugated | 25/1500 | 1.20 | 1.18 | 1.16 | 1.14 | 1.12 | |
| 12 x 5 x 5" | ECT-32 Single Wall Corrugated | 25/1000 | 1.32 | 1.30 | 1.28 | 1.26 | 1.23 | |
| 12 x 6 x 2" | ECT-32 Single Wall Corrugated | 25/1500 | 1.96 | 1.93 | 1.89 | 1.86 | 1.83 | |
| 12 x 6 x 3" | ECT-32 Single Wall Corrugated | 25/1250 | 1.23 | 1.21 | 1.19 | 1.17 | 1.14 | |
| 12 x 6 x 4" | ECT-32 Single Wall Corrugated | 25/1000 | 1.30 | 1.28 | 1.26 | 1.24 | 1.21 | |
| 12 x 6 x 5" | ECT-32 Single Wall Corrugated | 25/1000 | 1.38 | 1.36 | 1.33 | 1.31 | 1.29 | |
| 12 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/1000 | 1.50 | 1.48 | 1.45 | 1.43 | 1.40 | |
| 12 x 6 x 6" | 4,2" | 25/750 | 1.64 | 1.61 | 1.58 | 1.55 | 1.53 | |
| 12 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 2.04 | 2.01 | 1.97 | 1.94 | 1.90 | |
| 12 x 6 x 8" | ECT-32 Single Wall Corrugated | 25/750 | 1.81 | 1.77 | 1.74 | 1.71 | 1.68 | |
| 12 x 6 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.03 | 2.00 | 1.96 | 1.93 | 1.89 | |
| 12 x 6 x 12 3/4" | ECT-44 Single Wall Corrugated | 20/560 | 13.02 | 12.80 | 12.58 | 12.36 | 12.14 | |
| 12 x 7 x 5" | ECT-32 Single Wall Corrugated | 25/900 | 2.05 | 2.02 | 1.98 | 1.95 | 1.92 | |
| 12 x 7 x 7" | ECT-32 Single Wall Corrugated | 25/900 | 2.15 | 2.12 | 2.08 | 2.04 | 2.01 | |
| 12 x 8 x 3" | ECT-32 Single Wall Corrugated | 25/1000 | 2.13 | 2.10 | 2.06 | 2.02 | 1.99 | |
| 12 x 8 x 4" | ECT-32 Single Wall Corrugated | 25/750 | 1.75 | 1.72 | 1.69 | 1.66 | 1.63 | |
| 12 x 8 x 5" | ECT-32 Single Wall Corrugated | 25/750 | 1.80 | 1.77 | 1.74 | 1.71 | 1.68 | |
| 12 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/750 | 1.70 | 1.67 | 1.65 | 1.62 | 1.59 | |
| 12 x 8 x 6" | ECT-48 Double Wall Corrugated | 15/300 | 4.49 | 4.42 | 4.34 | 4.27 | 4.19 | |
| 12 x 8 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 1.74 | 1.72 | 1.69 | 1.66 | 1.63 | |
| 12 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 1.79 | 1.76 | 1.73 | 1.70 | 1.67 | |
| 12 x 8 x 8" | White | 25/900 | 2.69 | 2.65 | 2.60 | 2.56 | 2.51 | |
| 12 x 8 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 3.10 | 3.05 | 3.00 | 2.95 | 2.89 | |
| 12 x 9 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 2.19 | 2.16 | 2.12 | 2.08 | 2.05 | |
| 12 x 9 x 3" | ECT-32 Single Wall Corrugated | 25/750 | 1.68 | 1.65 | 1.62 | 1.59 | 1.56 | |
| 12 x 9 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.82 | 1.79 | 1.76 | 1.73 | 1.70 | |
| 12 x 9 x 4" | White | 25/500 | 2.13 | 2.10 | 2.06 | 2.03 | 1.99 | |
| 12 x 9 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 1.79 | 1.76 | 1.73 | 1.70 | 1.67 | |
| 12 x 9 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 1.88 | 1.84 | 1.81 | 1.78 | 1.75 | |
| 12 x 9 x 6" | 4,2" | 25/500 | 2.15 | 2.12 | 2.08 | 2.04 | 2.01 | |
| 12 x 9 x 6" | ECT-48 Double Wall Corrugated | 15/450 | 4.97 | 4.89 | 4.80 | 4.72 | 4.64 | |
| 12 x 9 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 1.96 | 1.93 | 1.90 | 1.87 | 1.83 | |
| 12 x 9 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.08 | 2.05 | 2.01 | 1.98 | 1.94 | |
| 12 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.13 | 2.10 | 2.06 | 2.02 | 1.99 | |
| 12 x 9 x 9" | ECT-48 Double Wall Corrugated | 15/300 | 6.01 | 5.91 | 5.81 | 5.70 | 5.60 | |
| 12 x 9 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.30 | 2.26 | 2.22 | 2.18 | 2.14 | |
| 12 x 9 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.46 | 2.42 | 2.38 | 2.34 | 2.30 | |
| 12 x 10 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 3.10 | 3.05 | 2.99 | 2.94 | 2.89 | |
| 12 x 10 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 1.89 | 1.86 | 1.83 | 1.80 | 1.76 | |
| 12 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/750 | 1.88 | 1.84 | 1.81 | 1.78 | 1.75 | |
| 12 x 10 x 4" | 2" | 25/750 | 1.77 | 1.74 | 1.71 | 1.68 | 1.65 | |
| 12 x 10 x 4" | ECT-44 Single Wall Corrugated | 25/750 | 4.07 | 4.00 | 3.93 | 3.87 | 3.80 | |
| 12 x 10 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 1.93 | 1.90 | 1.86 | 1.83 | 1.80 | |
| 12 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.05 | 2.02 | 1.98 | 1.95 | 1.92 | |
| 12 x 10 x 6" | 4,2" | 25/500 | 2.61 | 2.57 | 2.52 | 2.48 | 2.43 | |
| 12 x 10 x 6" | White | 25/500 | 2.56 | 2.51 | 2.47 | 2.43 | 2.38 | |
| 12 x 10 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 2.89 | 2.84 | 2.79 | 2.74 | 2.69 | |
| 12 x 10 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.12 | 2.08 | 2.05 | 2.01 | 1.98 | |
| 12 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.25 | 2.21 | 2.18 | 2.14 | 2.10 | |
| 12 x 10 x 8" | 6,4" | 25/500 | 2.33 | 2.29 | 2.26 | 2.22 | 2.18 | |
| 12 x 10 x 8" | White | 25/500 | 2.74 | 2.70 | 2.65 | 2.61 | 2.56 | |
| 12 x 10 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 3.36 | 3.30 | 3.25 | 3.19 | 3.14 | |
| 12 x 10 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.34 | 2.30 | 2.26 | 2.22 | 2.18 | |
| 12 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.28 | 2.24 | 2.20 | 2.17 | 2.13 | |
| 12 x 10 x 10" | White | 25/500 | 2.78 | 2.74 | 2.69 | 2.64 | 2.60 | |
| 12 x 10 x 10" | ECT-48 Double Wall Corrugated | 15/300 | 6.82 | 6.70 | 6.59 | 6.47 | 6.36 | |
| 12 x 10 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.96 | 2.91 | 2.86 | 2.81 | 2.76 | |
| 12 x 10 x 14" | ECT-32 Single Wall Corrugated | 25/500 | 4.68 | 4.60 | 4.52 | 4.44 | 4.36 | |
| 12 x 11 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.23 | 2.19 | 2.15 | 2.11 | 2.08 | |
| 12 x 12 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 3.58 | 3.52 | 3.46 | 3.40 | 3.34 | |
| 12 x 12 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 2.17 | 2.13 | 2.09 | 2.06 | 2.02 | |
| 12 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 2.19 | 2.16 | 2.12 | 2.08 | 2.05 | |
| 12 x 12 x 4" | 2" | 25/500 | 2.53 | 2.49 | 2.45 | 2.40 | 2.36 | |
| 12 x 12 x 4" | White | 25/500 | 3.93 | 3.86 | 3.79 | 3.73 | 3.66 | |
| 12 x 12 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.28 | 2.24 | 2.20 | 2.16 | 2.13 | |
| 12 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.25 | 2.21 | 2.18 | 2.14 | 2.10 | |
| 12 x 12 x 6" | 4" | 25/500 | 2.38 | 2.34 | 2.30 | 2.26 | 2.22 | |
| 12 x 12 x 6" | White | 25/500 | 3.13 | 3.07 | 3.02 | 2.97 | 2.91 | |
| 12 x 12 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 3.12 | 3.07 | 3.01 | 2.96 | 2.91 | |
| 12 x 12 x 6" | ECT-48 Double Wall Corrugated | 15/300 | 4.17 | 4.10 | 4.03 | 3.96 | 3.89 | |
| 12 x 12 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.56 | 2.52 | 2.48 | 2.43 | 2.39 | |
| 12 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.51 | 2.47 | 2.43 | 2.38 | 2.34 | |
| 12 x 12 x 8" | 6,4" | 25/500 | 3.47 | 3.41 | 3.36 | 3.30 | 3.24 | |
| 12 x 12 x 8" | White | 25/500 | 3.83 | 3.76 | 3.70 | 3.63 | 3.57 | |
| 12 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 5.63 | 5.54 | 5.44 | 5.35 | 5.25 | |
| 12 x 12 x 8" | ECT-48 Double Wall Corrugated | 15/300 | 4.59 | 4.52 | 4.44 | 4.36 | 4.29 | |
| 12 x 12 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.90 | 2.85 | 2.80 | 2.75 | 2.70 | |
| 12 x 12 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.71 | 2.67 | 2.62 | 2.58 | 2.53 | |
| 12 x 12 x 10" | 8,6,4" | 25/500 | 3.43 | 3.37 | 3.31 | 3.26 | 3.20 | |
| 12 x 12 x 10" | White | 25/500 | 4.43 | 4.35 | 4.28 | 4.20 | 4.13 | |
| 12 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 6.03 | 5.93 | 5.82 | 5.72 | 5.62 | |
| 12 x 12 x 10" | ECT-48 Double Wall Corrugated | 15/150 | 4.87 | 4.79 | 4.71 | 4.63 | 4.54 | |
| 12 x 12 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 3.02 | 2.97 | 2.92 | 2.87 | 2.82 | |
| 12 x 12 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.57 | 2.53 | 2.48 | 2.44 | 2.40 | |
| 12 x 12 x 12" | 10,8" | 25/500 | 3.21 | 3.16 | 3.10 | 3.05 | 3.00 | |
| 12 x 12 x 12" | White | 25/500 | 3.59 | 3.53 | 3.47 | 3.41 | 3.35 | |
| 12 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 4.36 | 4.29 | 4.22 | 4.14 | 4.07 | |
| 12 x 12 x 12" | V3c - 350# Single Wall | 20/200 | 20.42 | 20.07 | 19.73 | 19.39 | 19.04 | |
| 12 x 12 x 12" | ECT-48 Double Wall Corrugated | 15/150 | 4.91 | 4.82 | 4.74 | 4.66 | 4.58 | |
| 12 x 12 x 12" | ECT-71 Double Wall Corrugated | 15/150 | 17.45 | 17.15 | 16.86 | 16.56 | 16.27 | |
| 12 x 12 x 12" | Printed Deluxe Packing Box | 25/500 | 3.60 | 3.54 | 3.48 | 3.42 | 3.36 | |
| 12 x 12 x 12" | ECT-90 Triple Wall Corrugated | 5/30 | 60.79 | 59.76 | 58.74 | 57.72 | 56.69 | |
| 12 x 12 x 13" | ECT-32 Corrugated | 25/300 | 3.42 | 3.36 | 3.31 | 3.25 | 3.19 | |
| 12 x 12 x 14" | ECT-32 Corrugated | 25/250 | 3.43 | 3.37 | 3.31 | 3.25 | 3.19 | |
| 12 x 12 x 15" | ECT-32 Corrugated | 25/250 | 3.60 | 3.53 | 3.47 | 3.41 | 3.35 | |
| 12 x 12 x 16" | ECT-32 Corrugated | 25/250 | 3.66 | 3.60 | 3.54 | 3.48 | 3.42 | |
| 12 x 12 x 16" | ECT-48 Double Wall Corrugated | 15/150 | 8.17 | 8.04 | 7.90 | 7.76 | 7.62 | |
| 12 x 12 x 18" | ECT-32 Single Wall Corrugated | 25/250 | 3.94 | 3.88 | 3.81 | 3.74 | 3.68 | |
| 12 x 12 x 18" | 16,14,12,10" | 25/500 | 4.01 | 3.95 | 3.88 | 3.81 | 3.74 | |
| 12 x 12 x 18" | ECT-48 Double Wall Corrugated | 15/150 | 10.88 | 10.70 | 10.52 | 10.33 | 10.15 | |
| 12 x 12 x 20" | ECT-32 Single Wall Corrugated | 25/250 | 4.18 | 4.11 | 4.04 | 3.97 | 3.90 | |
| 12 x 12 x 24" | 2 Cubic Feet | 25/250 | 4.74 | 4.66 | 4.58 | 4.50 | 4.42 | |
| 12 x 12 x 30" | ECT-32 Single Wall Corrugated | 15/240 | 5.55 | 5.45 | 5.36 | 5.27 | 5.17 | |
| 12 x 12 x 36" | 3 Cubic Feet | 15/240 | 6.82 | 6.70 | 6.59 | 6.47 | 6.36 | |
| 12 x 12 x 40" | ECT-32 Single Wall Corrugated | 15/120 | 7.25 | 7.13 | 7.00 | 6.88 | 6.76 | |
| 12 x 12 x 46" | Inner Lamp Box HSC | 15/120 | 8.17 | 8.03 | 7.90 | 7.76 | 7.62 | |
| 12 x 12 x 48" | ECT-32 Single Wall Corrugated | 15/120 | 12.25 | 12.05 | 11.84 | 11.63 | 11.43 | |
| 12 x 12 x 48" | ECT-48 Double Wall Corrugated | 10/90 | 21.86 | 21.49 | 21.12 | 20.75 | 20.38 | |
| 12 x 12 x 48" | Inside Telescopic HSC | 15/120 | 13.82 | 13.59 | 13.35 | 13.12 | 12.89 | |
| 12 x 12 x 52" | ECT-32 Single Wall Corrugated | 15/240 | 15.13 | 14.87 | 14.62 | 14.36 | 14.11 | |
| 12 x 12 x 60" | ECT-32 Single Wall Corrugated | 10/120 | 16.52 | 16.24 | 15.97 | 15.69 | 15.41 | |
| 12 x 12 x 72" | ECT-32 Single Wall Corrugated | 10/120 | 19.91 | 19.58 | 19.24 | 18.90 | 18.57 | |
| 12 x 12 x 72" | Inside Telescopic HSC | 15/90 | 29.24 | 28.75 | 28.26 | 27.77 | 27.28 | |
| 12 1/8 x 12 1/8 x 13 9/16" | ECT-51 Double Wall Corrugated | 10/160 | 17.99 | 17.69 | 17.38 | 17.08 | 16.78 | |
| 12 1/4 x 9 1/4 x 6" | ECT-32 Single Wall Corrugated | 25/900 | 2.79 | 2.75 | 2.70 | 2.65 | 2.61 | |
| 12 1/4 x 9 1/4 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.65 | 2.61 | 2.56 | 2.52 | 2.48 | |
| 12 1/4 x 9 1/4 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.54 | 2.49 | 2.45 | 2.41 | 2.37 | |
| 12 1/4 x 9 1/4 x 12" | 10,8,6" | 25/500 | 2.83 | 2.78 | 2.74 | 2.69 | 2.64 | |
| 12 1/4 x 12 1/4 x 12 3/4" | ECT-44 Single Wall Corrugated | 20/480 | 19.11 | 18.79 | 18.46 | 18.14 | 17.82 | |
| 12 5/16 x 12 5/16 x 40" | Printed Outer Lamp Box HSC | 15/120 | 7.51 | 7.38 | 7.26 | 7.13 | 7.00 | |
| 12 1/2 x 3 x 17 1/2" | FOL Self Seal White | 25/875 | 11.45 | 11.26 | 11.07 | 10.87 | 10.68 | |
| 12 1/2 x 4 1/2 x 48" | Outer Telescopic HSC | 15/180 | 13.60 | 13.37 | 13.14 | 12.91 | 12.68 | |
| 12 1/2 x 12 1/2 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.55 | 2.50 | 2.46 | 2.42 | 2.37 | |
| 12 1/2 x 12 1/2 x 6" | 4,2" | 25/500 | 3.03 | 2.98 | 2.92 | 2.87 | 2.82 | |
| 12 1/2 x 12 1/2 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 3.34 | 3.29 | 3.23 | 3.18 | 3.12 | |
| 12 1/2 x 12 1/2 x 12" | 10,8,6" | 25/250 | 3.96 | 3.89 | 3.83 | 3.76 | 3.69 | |
| 12 1/2 x 12 1/2 x 15" | ECT-48 Double Wall Corrugated | 15/150 | 6.15 | 6.05 | 5.94 | 5.84 | 5.74 | |
| 12 1/2 x 12 1/2 x 15 1/8" | ECT-48 Double Wall Corrugated | 10/160 | 18.59 | 18.28 | 17.96 | 17.65 | 17.34 | |
| 12 1/2 x 12 1/2 x 48" | Outside Telescopic HSC | 15/120 | 14.49 | 14.25 | 14.00 | 13.76 | 13.52 | |
| 12 1/2 x 12 1/2 x 72" | Outside Telescopic HSC | 15/90 | 30.13 | 29.62 | 29.11 | 28.60 | 28.10 | |
| 12 3/4 x 6 3/8 x 13 1/2" | Holds 4 - 6 x 6 x 6" Boxes | 25/500 | 2.33 | 2.29 | 2.25 | 2.21 | 2.18 | |
| 12 3/4 x 12 3/4 x 13 1/2" | Holds 8 - 6 x 6 x 6" Boxes | 25/250 | 4.04 | 3.97 | 3.90 | 3.84 | 3.77 | |
| 13 x 3 x 3" | ECT-32 Single Wall Corrugated | 25/1800 | 1.79 | 1.76 | 1.73 | 1.70 | 1.67 | |
| 13 x 3 x 30" | FOL | 25/375 | 8.06 | 7.92 | 7.79 | 7.65 | 7.52 | |
| 13 x 7 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 1.65 | 1.63 | 1.60 | 1.57 | 1.54 | |
| 13 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/900 | 3.07 | 3.02 | 2.97 | 2.92 | 2.86 | |
| 13 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.07 | 2.03 | 2.00 | 1.96 | 1.93 | |
| 13 x 9 x 4" | ECT-32 Single Wall Corrugated | 25/900 | 2.88 | 2.83 | 2.78 | 2.73 | 2.68 | |
| 13 x 9 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 1.96 | 1.93 | 1.90 | 1.86 | 1.83 | |
| 13 x 9 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.16 | 2.12 | 2.08 | 2.05 | 2.01 | |
| 13 x 9 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 3.45 | 3.39 | 3.33 | 3.28 | 3.22 | |
| 13 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.37 | 2.33 | 2.29 | 2.25 | 2.21 | |
| 13 x 9 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 2.43 | 2.39 | 2.35 | 2.31 | 2.27 | |
| 13 x 10 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 3.41 | 3.35 | 3.29 | 3.23 | 3.18 | |
| 13 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.83 | 1.80 | 1.77 | 1.74 | 1.71 | |
| 13 x 10 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.07 | 2.03 | 2.00 | 1.96 | 1.93 | |
| 13 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.17 | 2.13 | 2.09 | 2.06 | 2.02 | |
| 13 x 10 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.24 | 2.20 | 2.17 | 2.13 | 2.09 | |
| 13 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.31 | 2.27 | 2.23 | 2.20 | 2.16 | |
| 13 x 10 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.41 | 2.37 | 2.33 | 2.29 | 2.25 | |
| 13 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.56 | 2.52 | 2.48 | 2.43 | 2.39 | |
| 13 x 10 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 4.50 | 4.43 | 4.35 | 4.28 | 4.20 | |
| 13 x 10 x 13" | ECT-32 Single Wall Corrugated | 25/500 | 4.04 | 3.97 | 3.90 | 3.83 | 3.76 | |
| 13 x 10 x 15" | ECT-32 Single Wall Corrugated | 25/500 | 5.14 | 5.05 | 4.97 | 4.88 | 4.79 | |
| 13 x 11 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 3.29 | 3.23 | 3.18 | 3.12 | 3.07 | |
| 13 x 11 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.21 | 2.17 | 2.14 | 2.10 | 2.06 | |
| 13 x 11 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.25 | 2.22 | 2.18 | 2.14 | 2.10 | |
| 13 x 11 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.51 | 2.46 | 2.42 | 2.38 | 2.34 | |
| 13 x 11 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.53 | 2.48 | 2.44 | 2.40 | 2.36 | |
| 13 x 11 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.64 | 2.60 | 2.55 | 2.51 | 2.46 | |
| 13 x 11 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 2.96 | 2.91 | 2.86 | 2.81 | 2.76 | |
| 13 x 13 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 4.10 | 4.03 | 3.96 | 3.89 | 3.82 | |
| 13 x 13 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 3.69 | 3.63 | 3.56 | 3.50 | 3.44 | |
| 13 x 13 x 4" | ECT-32 Single Wall Corrugated | 25/250 | 2.46 | 2.42 | 2.38 | 2.34 | 2.30 | |
| 13 x 13 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.73 | 2.69 | 2.64 | 2.59 | 2.55 | |
| 13 x 13 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.75 | 2.71 | 2.66 | 2.61 | 2.57 | |
| 13 x 13 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.89 | 2.84 | 2.80 | 2.75 | 2.70 | |
| 13 x 13 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 3.10 | 3.05 | 2.99 | 2.94 | 2.89 | |
| 13 x 13 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 3.13 | 3.08 | 3.02 | 2.97 | 2.92 | |
| 13 x 13 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 3.30 | 3.24 | 3.19 | 3.13 | 3.08 | |
| 13 x 13 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 4.70 | 4.62 | 4.54 | 4.46 | 4.38 | |
| 13 x 13 x 13" | ECT-32 Single Wall Corrugated | 25/500 | 3.41 | 3.35 | 3.29 | 3.23 | 3.18 | |
| 13 x 13 x 13" | 11,9,7" | 25/500 | 3.64 | 3.58 | 3.52 | 3.46 | 3.40 | |
| 13 x 13 x 13" | ECT-44 Single Wall Corrugated | 25/500 | 8.49 | 8.35 | 8.21 | 8.06 | 7.92 | |
| 13 x 13 x 13" | ECT-48 Double Wall Corrugated | 15/180 | 6.14 | 6.03 | 5.93 | 5.83 | 5.72 | |
| 13 x 13 x 15" | ECT-32 Single Wall Corrugated | 25/250 | 4.48 | 4.41 | 4.33 | 4.25 | 4.18 | |
| 13 x 13 x 17" | ECT-32 Single Wall Corrugated | 25/250 | 6.03 | 5.93 | 5.83 | 5.73 | 5.63 | |
| 13 1/4 x 10 1/4 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.52 | 2.48 | 2.44 | 2.39 | 2.35 | |
| 13 1/4 x 10 1/4 x 12" | 10,8,6" | 25/300 | 3.27 | 3.21 | 3.16 | 3.10 | 3.05 | |
| 13 1/2 x 13 1/2 x 7 1/2" | ECT-32 Single Wall Corrugated | 25/500 | 3.12 | 3.06 | 3.01 | 2.96 | 2.91 | |
| 13 3/4 x 9 x 10 3/8" | ECT-51 Double Wall Corrugated | 20/160 | 28.07 | 27.59 | 27.12 | 26.65 | 26.18 | |
| 13 3/4 x 10 1/4 x 9 1/8" | ECT-32 Single Wall Corrugated | 25/500 | 2.56 | 2.52 | 2.47 | 2.43 | 2.39 | |