| 12 x 3 x 3" | ECT-32 Single Wall Corrugated | 25/1800 | $1.99 | $1.96 | $1.93 | $1.89 | $1.86 | |
| 12 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/900 | 1.40 | 1.38 | 1.36 | 1.33 | 1.31 | |
| 12 x 4 x 48" | Inside Telescopic HSC | 15/180 | 14.40 | 14.16 | 13.92 | 13.67 | 13.43 | |
| 12 x 5 x 4" | ECT-32 Single Wall Corrugated | 25/1500 | 1.38 | 1.36 | 1.34 | 1.31 | 1.29 | |
| 12 x 5 x 5" | ECT-32 Single Wall Corrugated | 25/1000 | 1.41 | 1.39 | 1.36 | 1.34 | 1.31 | |
| 12 x 6 x 2" | ECT-32 Single Wall Corrugated | 25/1500 | 2.29 | 2.25 | 2.21 | 2.17 | 2.13 | |
| 12 x 6 x 3" | ECT-32 Single Wall Corrugated | 25/1250 | 1.45 | 1.42 | 1.40 | 1.37 | 1.35 | |
| 12 x 6 x 4" | ECT-32 Single Wall Corrugated | 25/1000 | 1.44 | 1.42 | 1.40 | 1.37 | 1.35 | |
| 12 x 6 x 5" | ECT-32 Single Wall Corrugated | 25/1000 | 1.61 | 1.58 | 1.56 | 1.53 | 1.50 | |
| 12 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/1000 | 1.67 | 1.64 | 1.61 | 1.58 | 1.55 | |
| 12 x 6 x 6" | 4,2" | 25/750 | 1.88 | 1.84 | 1.81 | 1.78 | 1.75 | |
| 12 x 6 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 2.38 | 2.34 | 2.30 | 2.26 | 2.22 | |
| 12 x 6 x 8" | ECT-32 Single Wall Corrugated | 25/750 | 2.11 | 2.07 | 2.04 | 2.00 | 1.97 | |
| 12 x 6 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.31 | 2.27 | 2.23 | 2.19 | 2.15 | |
| 12 x 6 x 12 3/4" | 275# Single Wall Corrugated | 20/560 | 15.51 | 15.25 | 14.99 | 14.73 | 14.47 | |
| 12 x 7 x 5" | ECT-32 Single Wall Corrugated | 25/900 | 2.40 | 2.36 | 2.32 | 2.28 | 2.24 | |
| 12 x 7 x 7" | ECT-32 Single Wall Corrugated | 25/900 | 2.52 | 2.47 | 2.43 | 2.39 | 2.35 | |
| 12 x 8 x 3" | ECT-32 Single Wall Corrugated | 25/1000 | 2.49 | 2.45 | 2.41 | 2.36 | 2.32 | |
| 12 x 8 x 4" | ECT-32 Single Wall Corrugated | 25/750 | 1.88 | 1.85 | 1.82 | 1.79 | 1.76 | |
| 12 x 8 x 5" | ECT-32 Single Wall Corrugated | 25/750 | 2.10 | 2.06 | 2.03 | 1.99 | 1.96 | |
| 12 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/750 | 1.88 | 1.85 | 1.82 | 1.79 | 1.75 | |
| 12 x 8 x 6" | ECT-48 Double Wall Corrugated | 15/300 | 5.28 | 5.19 | 5.10 | 5.01 | 4.92 | |
| 12 x 8 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.04 | 2.00 | 1.97 | 1.94 | 1.90 | |
| 12 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 1.99 | 1.95 | 1.92 | 1.89 | 1.85 | |
| 12 x 8 x 8" | White | 25/900 | 3.09 | 3.03 | 2.98 | 2.93 | 2.88 | |
| 12 x 8 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 3.63 | 3.57 | 3.50 | 3.44 | 3.38 | |
| 12 x 9 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 2.44 | 2.39 | 2.35 | 2.31 | 2.27 | |
| 12 x 9 x 3" | ECT-32 Single Wall Corrugated | 25/750 | 1.87 | 1.84 | 1.81 | 1.78 | 1.74 | |
| 12 x 9 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 2.02 | 1.99 | 1.95 | 1.92 | 1.88 | |
| 12 x 9 x 4" | White | 25/500 | 2.37 | 2.33 | 2.29 | 2.25 | 2.21 | |
| 12 x 9 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 1.94 | 1.90 | 1.87 | 1.84 | 1.81 | |
| 12 x 9 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.08 | 2.05 | 2.01 | 1.98 | 1.94 | |
| 12 x 9 x 6" | 4,2" | 25/500 | 2.51 | 2.47 | 2.43 | 2.39 | 2.34 | |
| 12 x 9 x 6" | ECT-48 Double Wall Corrugated | 15/450 | 5.81 | 5.71 | 5.61 | 5.52 | 5.42 | |
| 12 x 9 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.30 | 2.26 | 2.22 | 2.18 | 2.14 | |
| 12 x 9 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.43 | 2.39 | 2.35 | 2.31 | 2.27 | |
| 12 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.43 | 2.39 | 2.35 | 2.31 | 2.27 | |
| 12 x 9 x 9" | ECT-48 Double Wall Corrugated | 15/300 | 7.02 | 6.90 | 6.78 | 6.67 | 6.55 | |
| 12 x 9 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.68 | 2.64 | 2.59 | 2.55 | 2.50 | |
| 12 x 9 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.88 | 2.83 | 2.78 | 2.73 | 2.68 | |
| 12 x 10 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 3.62 | 3.56 | 3.50 | 3.44 | 3.38 | |
| 12 x 10 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 2.10 | 2.07 | 2.03 | 2.00 | 1.96 | |
| 12 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/750 | 2.06 | 2.03 | 1.99 | 1.96 | 1.92 | |
| 12 x 10 x 4" | 2" | 25/750 | 2.07 | 2.03 | 2.00 | 1.96 | 1.93 | |
| 12 x 10 x 4" | ECT-44 Single Wall Corrugated | 25/750 | 4.69 | 4.61 | 4.53 | 4.45 | 4.37 | |
| 12 x 10 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.26 | 2.22 | 2.18 | 2.14 | 2.10 | |
| 12 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.28 | 2.24 | 2.20 | 2.16 | 2.13 | |
| 12 x 10 x 6" | 4,2" | 25/500 | 3.03 | 2.98 | 2.93 | 2.88 | 2.83 | |
| 12 x 10 x 6" | White | 25/500 | 2.78 | 2.74 | 2.69 | 2.64 | 2.59 | |
| 12 x 10 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 3.27 | 3.22 | 3.16 | 3.11 | 3.05 | |
| 12 x 10 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.52 | 2.48 | 2.43 | 2.39 | 2.35 | |
| 12 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.49 | 2.45 | 2.41 | 2.37 | 2.33 | |
| 12 x 10 x 8" | 6,4" | 25/500 | 2.73 | 2.68 | 2.64 | 2.59 | 2.54 | |
| 12 x 10 x 8" | White | 25/500 | 3.20 | 3.15 | 3.10 | 3.04 | 2.99 | |
| 12 x 10 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 3.93 | 3.86 | 3.79 | 3.73 | 3.66 | |
| 12 x 10 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.73 | 2.68 | 2.64 | 2.59 | 2.55 | |
| 12 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.53 | 2.49 | 2.45 | 2.40 | 2.36 | |
| 12 x 10 x 10" | White | 25/500 | 3.56 | 3.50 | 3.44 | 3.38 | 3.32 | |
| 12 x 10 x 10" | ECT-48 Double Wall Corrugated | 15/300 | 7.97 | 7.83 | 7.70 | 7.56 | 7.43 | |
| 12 x 10 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 3.46 | 3.40 | 3.34 | 3.28 | 3.22 | |
| 12 x 10 x 14" | ECT-32 Single Wall Corrugated | 25/500 | 5.36 | 5.27 | 5.18 | 5.09 | 5.00 | |
| 12 x 11 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.60 | 2.56 | 2.51 | 2.47 | 2.43 | |
| 12 x 12 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 4.18 | 4.11 | 4.04 | 3.97 | 3.90 | |
| 12 x 12 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 2.40 | 2.36 | 2.32 | 2.28 | 2.24 | |
| 12 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 2.44 | 2.39 | 2.35 | 2.31 | 2.27 | |
| 12 x 12 x 4" | 2" | 25/500 | 2.96 | 2.91 | 2.86 | 2.81 | 2.76 | |
| 12 x 12 x 4" | White | 25/500 | 4.50 | 4.42 | 4.35 | 4.27 | 4.20 | |
| 12 x 12 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.66 | 2.62 | 2.57 | 2.53 | 2.48 | |
| 12 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.50 | 2.46 | 2.42 | 2.37 | 2.33 | |
| 12 x 12 x 6" | 4" | 25/500 | 2.79 | 2.74 | 2.69 | 2.65 | 2.60 | |
| 12 x 12 x 6" | White | 25/500 | 3.60 | 3.54 | 3.48 | 3.42 | 3.36 | |
| 12 x 12 x 6" | ECT-44 Single Wall Corrugated | 25/500 | 3.65 | 3.58 | 3.52 | 3.46 | 3.40 | |
| 12 x 12 x 6" | ECT-48 Double Wall Corrugated | 15/300 | 4.73 | 4.65 | 4.57 | 4.49 | 4.41 | |
| 12 x 12 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.82 | 2.77 | 2.72 | 2.68 | 2.63 | |
| 12 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.79 | 2.74 | 2.69 | 2.65 | 2.60 | |
| 12 x 12 x 8" | 6,4" | 25/500 | 4.06 | 3.99 | 3.92 | 3.86 | 3.79 | |
| 12 x 12 x 8" | White | 25/500 | 4.47 | 4.40 | 4.32 | 4.25 | 4.17 | |
| 12 x 12 x 8" | ECT-44 Single Wall Corrugated | 25/500 | 6.45 | 6.35 | 6.24 | 6.13 | 6.02 | |
| 12 x 12 x 8" | ECT-48 Double Wall Corrugated | 15/300 | 5.30 | 5.21 | 5.12 | 5.03 | 4.94 | |
| 12 x 12 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 3.22 | 3.16 | 3.11 | 3.05 | 3.00 | |
| 12 x 12 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 3.01 | 2.96 | 2.91 | 2.86 | 2.81 | |
| 12 x 12 x 10" | 8,6,4" | 25/500 | 4.19 | 4.12 | 4.05 | 3.98 | 3.91 | |
| 12 x 12 x 10" | White | 25/500 | 5.04 | 4.96 | 4.87 | 4.79 | 4.70 | |
| 12 x 12 x 10" | ECT-44 Single Wall Corrugated | 25/500 | 6.91 | 6.79 | 6.68 | 6.56 | 6.44 | |
| 12 x 12 x 10" | ECT-48 Double Wall Corrugated | 15/150 | 5.69 | 5.60 | 5.50 | 5.40 | 5.31 | |
| 12 x 12 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 3.53 | 3.48 | 3.42 | 3.36 | 3.30 | |
| 12 x 12 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.85 | 2.80 | 2.76 | 2.71 | 2.66 | |
| 12 x 12 x 12" | 10,8" | 25/500 | 3.34 | 3.29 | 3.23 | 3.18 | 3.12 | |
| 12 x 12 x 12" | White | 25/500 | 4.05 | 3.98 | 3.91 | 3.84 | 3.78 | |
| 12 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 5.10 | 5.01 | 4.93 | 4.84 | 4.76 | |
| 12 x 12 x 12" | V3c - 350# Single Wall | 20/200 | 23.41 | 23.01 | 22.62 | 22.22 | 21.83 | |
| 12 x 12 x 12" | ECT-48 Double Wall Corrugated | 15/150 | 5.45 | 5.36 | 5.26 | 5.17 | 5.08 | |
| 12 x 12 x 12" | ECT-71 Double Wall Corrugated | 15/150 | 20.00 | 19.66 | 19.33 | 18.99 | 18.65 | |
| 12 x 12 x 12" | Printed Deluxe Packing Box | 25/500 | 5.13 | 5.04 | 4.95 | 4.87 | 4.78 | |
| 12 x 12 x 12" | ECT-90 Triple Wall Corrugated | 5/30 | 73.06 | 71.83 | 70.60 | 69.37 | 68.14 | |
| 12 x 12 x 13" | ECT-32 Corrugated | 25/300 | 4.00 | 3.93 | 3.86 | 3.80 | 3.73 | |
| 12 x 12 x 14" | ECT-32 Corrugated | 25/250 | 4.00 | 3.93 | 3.87 | 3.80 | 3.73 | |
| 12 x 12 x 15" | ECT-32 Corrugated | 25/250 | 4.20 | 4.13 | 4.06 | 3.99 | 3.92 | |
| 12 x 12 x 16" | ECT-32 Corrugated | 25/250 | 4.28 | 4.21 | 4.14 | 4.06 | 3.99 | |
| 12 x 12 x 16" | ECT-48 Double Wall Corrugated | 15/150 | 9.55 | 9.39 | 9.23 | 9.07 | 8.91 | |
| 12 x 12 x 18" | ECT-32 Single Wall Corrugated | 25/250 | 4.61 | 4.53 | 4.45 | 4.38 | 4.30 | |
| 12 x 12 x 18" | 16,14,12,10" | 25/500 | 4.69 | 4.61 | 4.53 | 4.45 | 4.37 | |
| 12 x 12 x 18" | ECT-48 Double Wall Corrugated | 15/150 | 12.72 | 12.50 | 12.29 | 12.07 | 11.86 | |
| 12 x 12 x 20" | ECT-32 Single Wall Corrugated | 25/250 | 4.88 | 4.80 | 4.72 | 4.64 | 4.56 | |
| 12 x 12 x 24" | 2 Cubic Feet | 25/250 | 5.53 | 5.44 | 5.35 | 5.26 | 5.16 | |
| 12 x 12 x 30" | ECT-32 Single Wall Corrugated | 15/240 | 6.48 | 6.37 | 6.26 | 6.15 | 6.04 | |
| 12 x 12 x 36" | 3 Cubic Feet | 15/240 | 7.97 | 7.83 | 7.70 | 7.56 | 7.43 | |
| 12 x 12 x 40" | ECT-32 Single Wall Corrugated | 15/120 | 8.47 | 8.33 | 8.18 | 8.04 | 7.90 | |
| 12 x 12 x 46" | Inner Lamp Box HSC | 15/120 | 9.89 | 9.72 | 9.56 | 9.39 | 9.23 | |
| 12 x 12 x 48" | ECT-32 Single Wall Corrugated | 15/120 | 13.60 | 13.37 | 13.14 | 12.91 | 12.69 | |
| 12 x 12 x 48" | ECT-48 Double Wall Corrugated | 10/90 | 25.54 | 25.11 | 24.68 | 24.25 | 23.82 | |
| 12 x 12 x 48" | Inside Telescopic HSC | 15/120 | 16.10 | 15.83 | 15.56 | 15.29 | 15.02 | |
| 12 x 12 x 52" | ECT-32 Single Wall Corrugated | 15/240 | 17.34 | 17.05 | 16.76 | 16.47 | 16.17 | |
| 12 x 12 x 60" | ECT-32 Single Wall Corrugated | 10/120 | 19.11 | 18.79 | 18.46 | 18.14 | 17.82 | |
| 12 x 12 x 72" | ECT-32 Single Wall Corrugated | 10/120 | 23.06 | 22.67 | 22.28 | 21.89 | 21.51 | |
| 12 x 12 x 72" | Inside Telescopic HSC | 15/90 | 33.40 | 32.84 | 32.28 | 31.71 | 31.15 | |
| 12 1/8 x 12 1/8 x 13 9/16" | 350# Double Wall Corrugated | 10/160 | 21.18 | 20.83 | 20.47 | 20.11 | 19.76 | |
| 12 1/4 x 9 1/4 x 6" | ECT-32 Single Wall Corrugated | 25/900 | 3.26 | 3.21 | 3.15 | 3.10 | 3.04 | |
| 12 1/4 x 9 1/4 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.99 | 2.94 | 2.89 | 2.84 | 2.79 | |
| 12 1/4 x 9 1/4 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 2.96 | 2.91 | 2.86 | 2.81 | 2.76 | |
| 12 1/4 x 9 1/4 x 12" | 10,8,6" | 25/500 | 3.31 | 3.25 | 3.20 | 3.14 | 3.09 | |
| 12 1/4 x 12 1/4 x 12 3/4" | 275# Single Wall Corrugated | 20/480 | 22.70 | 22.32 | 21.93 | 21.55 | 21.17 | |
| 12 5/16 x 12 5/16 x 40" | Printed Outer Lamp Box HSC | 15/120 | 9.02 | 8.87 | 8.72 | 8.57 | 8.42 | |
| 12 1/2 x 3 x 17 1/2" | FOL Self Seal White | 25/875 | 11.68 | 11.48 | 11.29 | 11.09 | 10.89 | |
| 12 1/2 x 4 1/2 x 48" | Outer Telescopic HSC | 15/180 | 16.00 | 15.73 | 15.46 | 15.19 | 14.92 | |
| 12 1/2 x 12 1/2 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.98 | 2.93 | 2.88 | 2.83 | 2.77 | |
| 12 1/2 x 12 1/2 x 6" | 4,2" | 25/500 | 3.53 | 3.47 | 3.41 | 3.35 | 3.29 | |
| 12 1/2 x 12 1/2 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 3.90 | 3.83 | 3.76 | 3.70 | 3.63 | |
| 12 1/2 x 12 1/2 x 12" | 10,8,6" | 25/250 | 4.63 | 4.55 | 4.47 | 4.39 | 4.32 | |
| 12 1/2 x 12 1/2 x 15" | ECT-48 Double Wall Corrugated | 15/150 | 7.19 | 7.06 | 6.94 | 6.82 | 6.70 | |
| 12 1/2 x 12 1/2 x 15 1/8" | 350# Double Wall Corrugated | 10/160 | 21.87 | 21.50 | 21.13 | 20.77 | 20.40 | |
| 12 1/2 x 12 1/2 x 48" | Outside Telescopic HSC | 15/120 | 16.87 | 16.58 | 16.30 | 16.02 | 15.73 | |
| 12 1/2 x 12 1/2 x 72" | Outside Telescopic HSC | 15/90 | 35.24 | 34.65 | 34.05 | 33.46 | 32.87 | |
| 12 3/4 x 6 3/8 x 13 1/2" | Holds 4 - 6 x 6 x 6" Boxes | 25/500 | 2.64 | 2.59 | 2.55 | 2.50 | 2.46 | |
| 12 3/4 x 12 3/4 x 13 1/2" | Holds 8 - 6 x 6 x 6" Boxes | 25/250 | 4.72 | 4.64 | 4.56 | 4.48 | 4.40 | |
| 13 x 3 x 3" | ECT-32 Single Wall Corrugated | 25/1800 | 2.09 | 2.05 | 2.02 | 1.98 | 1.95 | |
| 13 x 3 x 30" | FOL | 25/375 | 9.42 | 9.26 | 9.10 | 8.94 | 8.78 | |
| 13 x 7 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.15 | 2.12 | 2.08 | 2.04 | 2.01 | |
| 13 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/900 | 3.59 | 3.53 | 3.47 | 3.41 | 3.35 | |
| 13 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.36 | 2.32 | 2.28 | 2.24 | 2.20 | |
| 13 x 9 x 4" | ECT-32 Single Wall Corrugated | 25/900 | 3.36 | 3.30 | 3.25 | 3.19 | 3.13 | |
| 13 x 9 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.29 | 2.26 | 2.22 | 2.18 | 2.14 | |
| 13 x 9 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.45 | 2.41 | 2.37 | 2.33 | 2.29 | |
| 13 x 9 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 4.03 | 3.96 | 3.90 | 3.83 | 3.76 | |
| 13 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.65 | 2.60 | 2.56 | 2.51 | 2.47 | |
| 13 x 9 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 2.84 | 2.80 | 2.75 | 2.70 | 2.65 | |
| 13 x 10 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 3.98 | 3.91 | 3.85 | 3.78 | 3.71 | |
| 13 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 2.13 | 2.09 | 2.06 | 2.02 | 1.99 | |
| 13 x 10 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.42 | 2.38 | 2.34 | 2.30 | 2.26 | |
| 13 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.53 | 2.49 | 2.45 | 2.41 | 2.36 | |
| 13 x 10 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.62 | 2.58 | 2.53 | 2.49 | 2.44 | |
| 13 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.70 | 2.66 | 2.61 | 2.57 | 2.52 | |
| 13 x 10 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.82 | 2.77 | 2.72 | 2.68 | 2.63 | |
| 13 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 2.94 | 2.89 | 2.84 | 2.79 | 2.74 | |
| 13 x 10 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 5.26 | 5.17 | 5.08 | 5.00 | 4.91 | |
| 13 x 10 x 13" | ECT-32 Single Wall Corrugated | 25/500 | 4.72 | 4.64 | 4.56 | 4.48 | 4.40 | |
| 13 x 10 x 15" | ECT-32 Single Wall Corrugated | 25/500 | 6.01 | 5.91 | 5.80 | 5.70 | 5.60 | |
| 13 x 11 x 2" | ECT-32 Single Wall Corrugated | 25/900 | 3.84 | 3.78 | 3.71 | 3.65 | 3.58 | |
| 13 x 11 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 2.57 | 2.53 | 2.49 | 2.44 | 2.40 | |
| 13 x 11 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 2.61 | 2.57 | 2.53 | 2.48 | 2.44 | |
| 13 x 11 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 2.93 | 2.88 | 2.83 | 2.78 | 2.73 | |
| 13 x 11 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.95 | 2.90 | 2.85 | 2.80 | 2.75 | |
| 13 x 11 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 3.09 | 3.03 | 2.98 | 2.93 | 2.88 | |
| 13 x 11 x 11" | ECT-32 Single Wall Corrugated | 25/500 | 3.46 | 3.40 | 3.34 | 3.29 | 3.23 | |
| 13 x 13 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 4.79 | 4.71 | 4.63 | 4.55 | 4.47 | |
| 13 x 13 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 4.31 | 4.24 | 4.16 | 4.09 | 4.02 | |
| 13 x 13 x 4" | ECT-32 Single Wall Corrugated | 25/250 | 2.73 | 2.69 | 2.64 | 2.60 | 2.55 | |
| 13 x 13 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 3.19 | 3.14 | 3.08 | 3.03 | 2.98 | |
| 13 x 13 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 3.17 | 3.12 | 3.06 | 3.01 | 2.96 | |
| 13 x 13 x 7" | ECT-32 Single Wall Corrugated | 25/500 | 3.36 | 3.30 | 3.25 | 3.19 | 3.13 | |
| 13 x 13 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 3.62 | 3.56 | 3.50 | 3.44 | 3.38 | |
| 13 x 13 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 3.66 | 3.59 | 3.53 | 3.47 | 3.41 | |
| 13 x 13 x 10" | ECT-32 Single Wall Corrugated | 25/500 | 3.86 | 3.79 | 3.73 | 3.66 | 3.60 | |
| 13 x 13 x 12" | ECT-32 Single Wall Corrugated | 25/500 | 5.49 | 5.40 | 5.31 | 5.21 | 5.12 | |
| 13 x 13 x 13" | ECT-32 Single Wall Corrugated | 25/500 | 3.78 | 3.72 | 3.65 | 3.59 | 3.53 | |
| 13 x 13 x 13" | 11,9,7" | 25/500 | 4.26 | 4.19 | 4.11 | 4.04 | 3.97 | |
| 13 x 13 x 13" | ECT-44 Single Wall Corrugated | 25/500 | 9.73 | 9.57 | 9.41 | 9.24 | 9.08 | |
| 13 x 13 x 13" | ECT-48 Double Wall Corrugated | 15/180 | 7.17 | 7.05 | 6.93 | 6.81 | 6.69 | |
| 13 x 13 x 15" | ECT-32 Single Wall Corrugated | 25/250 | 5.24 | 5.15 | 5.06 | 4.97 | 4.88 | |
| 13 x 13 x 17" | ECT-32 Single Wall Corrugated | 25/250 | 7.05 | 6.93 | 6.81 | 6.69 | 6.57 | |
| 13 1/4 x 10 1/4 x 9" | ECT-32 Single Wall Corrugated | 25/500 | 2.95 | 2.90 | 2.85 | 2.80 | 2.75 | |
| 13 1/4 x 10 1/4 x 12" | 10,8,6" | 25/300 | 3.82 | 3.76 | 3.69 | 3.63 | 3.56 | |
| 13 1/2 x 13 1/2 x 7 1/2" | ECT-32 Single Wall Corrugated | 25/500 | 3.64 | 3.58 | 3.52 | 3.46 | 3.40 | |
| 13 3/4 x 10 1/4 x 9 1/8" | ECT-32 Single Wall Corrugated | 25/500 | 2.90 | 2.85 | 2.80 | 2.75 | 2.70 | |