| 12 x 3 x 3"  | ECT-32 Single Wall Corrugated | 25/1800 | $.82 | $.76 | $.76 | $.75 | $.75 |  | 
 | 12 x 4 x 4"  | ECT-32 Single Wall Corrugated | 25/900 | .58 | .54 | .53 | .53 | .53 |  | 
 | 12 x 4 x 48"  | Inside Telescopic HSC | 15/180 | 6.05 | 5.60 | 5.58 | 5.54 | 5.49 |  | 
 | 12 x 5 x 4"  | ECT-32 Single Wall Corrugated | 25/1500 | .57 | .53 | .53 | .52 | .52 |  | 
 | 12 x 5 x 5"  | ECT-32 Single Wall Corrugated | 25/1000 | .58 | .54 | .54 | .53 | .53 |  | 
 | 12 x 6 x 2"  | ECT-32 Single Wall Corrugated | 25/1500 | .94 | .87 | .87 | .86 | .86 |  | 
 | 12 x 6 x 3"  | ECT-32 Single Wall Corrugated | 25/1250 | .54 | .50 | .50 | .49 | .49 |  | 
 | 12 x 6 x 4"  | ECT-32 Single Wall Corrugated | 25/1000 | .60 | .55 | .55 | .54 | .54 |  | 
 | 12 x 6 x 5"  | ECT-32 Single Wall Corrugated | 25/1000 | .66 | .62 | .61 | .61 | .60 |  | 
 | 12 x 6 x 6"  | ECT-32 Single Wall Corrugated | 25/1000 | .63 | .58 | .58 | .57 | .57 |  | 
 | 12 x 6 x 6"  | 4,2" | 25/750 | .77 | .72 | .71 | .71 | .70 |  | 
 | 12 x 6 x 6"  | ECT-44 Single Wall Corrugated | 25/500 | .98 | .91 | .91 | .90 | .89 |  | 
 | 12 x 6 x 8"  | ECT-32 Single Wall Corrugated | 25/750 | .87 | .81 | .80 | .80 | .79 |  | 
 | 12 x 6 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | .95 | .88 | .88 | .87 | .86 |  | 
 | 12 x 6 x 12 3/4"  | ECT-44 Single Wall Corrugated | 20/560 | 6.40 | 5.92 | 5.90 | 5.85 | 5.80 |  | 
 | 12 x 7 x 5"  | ECT-32 Single Wall Corrugated | 25/900 | .99 | .92 | .91 | .91 | .90 |  | 
 | 12 x 7 x 7"  | ECT-32 Single Wall Corrugated | 25/900 | 1.04 | .96 | .96 | .95 | .94 |  | 
 | 12 x 8 x 3"  | ECT-32 Single Wall Corrugated | 25/1000 | 1.03 | .95 | .95 | .94 | .93 |  | 
 | 12 x 8 x 4"  | ECT-32 Single Wall Corrugated | 25/750 | .85 | .78 | .78 | .77 | .77 |  | 
 | 12 x 8 x 5"  | ECT-32 Single Wall Corrugated | 25/750 | .86 | .80 | .80 | .79 | .78 |  | 
 | 12 x 8 x 6"  | ECT-32 Single Wall Corrugated | 25/750 | .75 | .63 | .63 | .63 | .63 |  | 
 | 12 x 8 x 6"  | ECT-48 Double Wall Corrugated | 15/300 | 2.18 | 2.01 | 2.01 | 1.99 | 1.97 |  | 
 | 12 x 8 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | .84 | .78 | .78 | .77 | .76 |  | 
 | 12 x 8 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | .79 | .66 | .66 | .66 | .66 |  | 
 | 12 x 8 x 8"  | White | 25/900 | 1.30 | 1.20 | 1.20 | 1.19 | 1.18 |  | 
 | 12 x 8 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 1.50 | 1.38 | 1.38 | 1.37 | 1.36 |  | 
 | 12 x 9 x 2"  | ECT-32 Single Wall Corrugated | 25/900 | .97 | .81 | .81 | .81 | .81 |  | 
 | 12 x 9 x 3"  | ECT-32 Single Wall Corrugated | 25/750 | .74 | .66 | .66 | .66 | .66 |  | 
 | 12 x 9 x 4"  | ECT-32 Single Wall Corrugated | 25/500 | .80 | .67 | .67 | .67 | .67 |  | 
 | 12 x 9 x 4"  | White | 25/500 | .98 | .90 | .90 | .89 | .89 |  | 
 | 12 x 9 x 5"  | ECT-32 Single Wall Corrugated | 25/500 | .80 | .74 | .74 | .73 | .72 |  | 
 | 12 x 9 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | .83 | .75 | .75 | .75 | .75 |  | 
 | 12 x 9 x 6"  | 4,2" | 25/500 | 1.04 | .96 | .96 | .95 | .94 |  | 
 | 12 x 9 x 6"  | ECT-48 Double Wall Corrugated | 15/450 | 2.40 | 2.22 | 2.21 | 2.19 | 2.17 |  | 
 | 12 x 9 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | .95 | .88 | .87 | .87 | .86 |  | 
 | 12 x 9 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.00 | .93 | .93 | .92 | .91 |  | 
 | 12 x 9 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | .97 | .83 | .83 | .83 | .83 |  | 
 | 12 x 9 x 9"  | ECT-48 Double Wall Corrugated | 15/300 | 2.89 | 2.68 | 2.67 | 2.65 | 2.63 |  | 
 | 12 x 9 x 10"  | ECT-32 Single Wall Corrugated | 25/500 | 1.11 | 1.02 | 1.02 | 1.01 | 1.00 |  | 
 | 12 x 9 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 1.19 | 1.10 | 1.09 | 1.08 | 1.08 |  | 
 | 12 x 10 x 2"  | ECT-32 Single Wall Corrugated | 25/900 | 1.49 | 1.38 | 1.38 | 1.37 | 1.35 |  | 
 | 12 x 10 x 3"  | ECT-32 Single Wall Corrugated | 25/500 | .87 | .80 | .80 | .79 | .79 |  | 
 | 12 x 10 x 4"  | ECT-32 Single Wall Corrugated | 25/750 | .85 | .79 | .78 | .78 | .77 |  | 
 | 12 x 10 x 4"  | 2" | 25/750 | .85 | .79 | .79 | .78 | .77 |  | 
 | 12 x 10 x 4"  | ECT-44 Single Wall Corrugated | 25/750 | 1.99 | 1.84 | 1.83 | 1.82 | 1.80 |  | 
 | 12 x 10 x 5"  | ECT-32 Single Wall Corrugated | 25/500 | .93 | .86 | .86 | .85 | .84 |  | 
 | 12 x 10 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | .91 | .81 | .81 | .81 | .81 |  | 
 | 12 x 10 x 6"  | 4,2" | 25/500 | 1.27 | 1.18 | 1.17 | 1.17 | 1.16 |  | 
 | 12 x 10 x 6"  | White | 25/500 | 1.15 | 1.06 | 1.06 | 1.05 | 1.04 |  | 
 | 12 x 10 x 6"  | ECT-44 Single Wall Corrugated | 25/500 | 1.35 | 1.25 | 1.25 | 1.24 | 1.23 |  | 
 | 12 x 10 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | 1.04 | .96 | .96 | .95 | .94 |  | 
 | 12 x 10 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | .99 | .83 | .83 | .83 | .83 |  | 
 | 12 x 10 x 8"  | 6,4" | 25/500 | 1.12 | 1.04 | 1.04 | 1.03 | 1.02 |  | 
 | 12 x 10 x 8"  | White | 25/500 | 1.32 | 1.22 | 1.22 | 1.21 | 1.20 |  | 
 | 12 x 10 x 8"  | ECT-44 Single Wall Corrugated | 25/500 | 1.62 | 1.50 | 1.49 | 1.48 | 1.47 |  | 
 | 12 x 10 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.13 | 1.04 | 1.04 | 1.03 | 1.02 |  | 
 | 12 x 10 x 10"  | ECT-32 Single Wall Corrugated | 25/500 | 1.01 | .84 | .84 | .84 | .84 |  | 
 | 12 x 10 x 10"  | White | 25/500 | 1.47 | 1.36 | 1.35 | 1.34 | 1.33 |  | 
 | 12 x 10 x 10"  | ECT-48 Double Wall Corrugated | 15/300 | 3.28 | 3.04 | 3.03 | 3.00 | 2.98 |  | 
 | 12 x 10 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 1.43 | 1.32 | 1.31 | 1.30 | 1.29 |  | 
 | 12 x 10 x 14"  | ECT-32 Single Wall Corrugated | 25/500 | 2.25 | 2.09 | 2.08 | 2.06 | 2.04 |  | 
 | 12 x 11 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | 1.07 | .99 | .99 | .98 | .97 |  | 
 | 12 x 12 x 2"  | ECT-32 Single Wall Corrugated | 25/500 | 1.72 | 1.60 | 1.59 | 1.58 | 1.57 |  | 
 | 12 x 12 x 3"  | ECT-32 Single Wall Corrugated | 25/500 | .95 | .80 | .80 | .80 | .80 |  | 
 | 12 x 12 x 4"  | ECT-32 Single Wall Corrugated | 25/500 | .97 | .81 | .81 | .81 | .81 |  | 
 | 12 x 12 x 4"  | 2" | 25/500 | 1.22 | 1.13 | 1.13 | 1.12 | 1.11 |  | 
 | 12 x 12 x 4"  | White | 25/500 | 1.89 | 1.75 | 1.74 | 1.73 | 1.72 |  | 
 | 12 x 12 x 5"  | ECT-32 Single Wall Corrugated | 25/500 | 1.10 | 1.02 | 1.01 | 1.00 | 1.00 |  | 
 | 12 x 12 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | .99 | .83 | .83 | .83 | .83 |  | 
 | 12 x 12 x 6"  | 4" | 25/500 | 1.15 | 1.06 | 1.06 | 1.05 | 1.04 |  | 
 | 12 x 12 x 6"  | White | 25/500 | 1.49 | 1.38 | 1.37 | 1.36 | 1.35 |  | 
 | 12 x 12 x 6"  | ECT-44 Single Wall Corrugated | 25/500 | 1.50 | 1.39 | 1.39 | 1.38 | 1.36 |  | 
 | 12 x 12 x 6"  | ECT-48 Double Wall Corrugated | 15/300 | 1.95 | 1.80 | 1.80 | 1.78 | 1.77 |  | 
 | 12 x 12 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | 1.16 | 1.08 | 1.07 | 1.06 | 1.05 |  | 
 | 12 x 12 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.11 | .92 | .92 | .92 | .92 |  | 
 | 12 x 12 x 8"  | 6,4" | 25/500 | 1.67 | 1.55 | 1.54 | 1.53 | 1.52 |  | 
 | 12 x 12 x 8"  | White | 25/500 | 1.84 | 1.71 | 1.70 | 1.69 | 1.67 |  | 
 | 12 x 12 x 8"  | ECT-44 Single Wall Corrugated | 25/500 | 2.71 | 2.51 | 2.50 | 2.48 | 2.46 |  | 
 | 12 x 12 x 8"  | ECT-48 Double Wall Corrugated | 15/300 | 2.19 | 2.02 | 2.02 | 2.00 | 1.98 |  | 
 | 12 x 12 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.33 | 1.23 | 1.22 | 1.21 | 1.20 |  | 
 | 12 x 12 x 10"  | ECT-32 Single Wall Corrugated | 25/500 | 1.20 | 1.00 | 1.00 | 1.00 | 1.00 |  | 
 | 12 x 12 x 10"  | 8,6,4" | 25/500 | 1.76 | 1.63 | 1.62 | 1.61 | 1.60 |  | 
 | 12 x 12 x 10"  | White | 25/500 | 2.08 | 1.93 | 1.92 | 1.90 | 1.89 |  | 
 | 12 x 12 x 10"  | ECT-44 Single Wall Corrugated | 25/500 | 2.90 | 2.69 | 2.68 | 2.66 | 2.64 |  | 
 | 12 x 12 x 10"  | ECT-48 Double Wall Corrugated | 15/150 | 2.35 | 2.17 | 2.16 | 2.15 | 2.13 |  | 
 | 12 x 12 x 11"  | ECT-32 Single Wall Corrugated | 25/500 | 1.46 | 1.35 | 1.34 | 1.33 | 1.32 |  | 
 | 12 x 12 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 1.13 | .94 | .94 | .94 | .94 |  | 
 | 12 x 12 x 12"  | 10,8" | 25/500 | 1.38 | 1.28 | 1.27 | 1.26 | 1.25 |  | 
 | 12 x 12 x 12"  | White | 25/500 | 1.67 | 1.55 | 1.54 | 1.53 | 1.51 |  | 
 | 12 x 12 x 12"  | ECT-44 Single Wall Corrugated | 25/250 | 2.10 | 1.95 | 1.94 | 1.92 | 1.91 |  | 
 | 12 x 12 x 12"  | V3c - 350# Single Wall | 20/200 | 9.84 | 9.11 | 9.07 | 9.00 | 8.93 |  | 
 | 12 x 12 x 12"  | ECT-48 Double Wall Corrugated | 15/150 | 2.25 | 2.08 | 2.07 | 2.05 | 2.04 |  | 
 | 12 x 12 x 12"  | ECT-71 Double Wall Corrugated | 15/150 | 8.41 | 7.78 | 7.75 | 7.69 | 7.63 |  | 
 | 12 x 12 x 12"  | Printed Deluxe Packing Box | 25/500 | 2.18 | 2.01 | 2.01 | 1.99 | 1.97 |  | 
 | 12 x 12 x 12"  | ECT-90 Triple Wall Corrugated | 5/30 | 30.12 | 27.89 | 27.78 | 27.56 | 27.33 |  | 
 | 12 x 12 x 13"  | ECT-32 Corrugated | 25/300 | 1.65 | 1.53 | 1.52 | 1.51 | 1.50 |  | 
 | 12 x 12 x 14"  | ECT-32 Corrugated | 25/250 | 1.65 | 1.53 | 1.52 | 1.51 | 1.50 |  | 
 | 12 x 12 x 15"  | ECT-32 Corrugated | 25/250 | 1.73 | 1.60 | 1.60 | 1.58 | 1.57 |  | 
 | 12 x 12 x 16"  | ECT-32 Corrugated | 25/250 | 1.77 | 1.63 | 1.63 | 1.61 | 1.60 |  | 
 | 12 x 12 x 16"  | ECT-48 Double Wall Corrugated | 15/150 | 3.94 | 3.65 | 3.63 | 3.60 | 3.57 |  | 
 | 12 x 12 x 18"  | ECT-32 Single Wall Corrugated | 25/250 | 1.90 | 1.76 | 1.75 | 1.74 | 1.72 |  | 
 | 12 x 12 x 18"  | 16,14,12,10" | 25/500 | 1.93 | 1.79 | 1.78 | 1.77 | 1.75 |  | 
 | 12 x 12 x 18"  | ECT-48 Double Wall Corrugated | 15/150 | 5.24 | 4.86 | 4.84 | 4.80 | 4.76 |  | 
 | 12 x 12 x 20"  | ECT-32 Single Wall Corrugated | 25/250 | 2.01 | 1.86 | 1.86 | 1.84 | 1.83 |  | 
 | 12 x 12 x 24"  | 2 Cubic Feet | 25/250 | 2.28 | 2.11 | 2.10 | 2.09 | 2.07 |  | 
 | 12 x 12 x 30"  | ECT-32 Single Wall Corrugated | 15/240 | 2.67 | 2.47 | 2.46 | 2.44 | 2.42 |  | 
 | 12 x 12 x 36"  | 3 Cubic Feet | 15/240 | 3.29 | 3.04 | 3.03 | 3.01 | 2.98 |  | 
 | 12 x 12 x 40"  | ECT-32 Single Wall Corrugated | 15/120 | 3.49 | 3.23 | 3.22 | 3.19 | 3.17 |  | 
 | 12 x 12 x 46"  | Inner Lamp Box HSC | 15/120 | 4.08 | 3.78 | 3.76 | 3.73 | 3.70 |  | 
 | 12 x 12 x 48"  | ECT-32 Single Wall Corrugated | 15/120 | 5.61 | 5.19 | 5.17 | 5.13 | 5.09 |  | 
 | 12 x 12 x 48"  | ECT-48 Double Wall Corrugated | 10/90 | 10.53 | 9.75 | 9.71 | 9.63 | 9.56 |  | 
 | 12 x 12 x 48"  | Inside Telescopic HSC | 15/120 | 6.64 | 6.15 | 6.12 | 6.07 | 6.03 |  | 
 | 12 x 12 x 52"  | ECT-32 Single Wall Corrugated | 15/240 | 7.29 | 6.75 | 6.72 | 6.67 | 6.61 |  | 
 | 12 x 12 x 60"  | ECT-32 Single Wall Corrugated | 10/120 | 7.88 | 7.30 | 7.27 | 7.21 | 7.15 |  | 
 | 12 x 12 x 72"  | ECT-32 Single Wall Corrugated | 10/120 | 9.51 | 8.80 | 8.77 | 8.70 | 8.63 |  | 
 | 12 x 12 x 72"  | Inside Telescopic HSC | 15/90 | 14.04 | 13.00 | 12.95 | 12.84 | 12.74 |  | 
 | 12 1/8 x 12 1/8 x 13 9/16"  | ECT-51 Double Wall Corrugated | 10/160 | 8.73 | 8.09 | 8.06 | 7.99 | 7.93 |  | 
 | 12 1/4 x 9 1/4 x 6"  | ECT-32 Single Wall Corrugated | 25/900 | 1.35 | 1.25 | 1.24 | 1.23 | 1.22 |  | 
 | 12 1/4 x 9 1/4 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.23 | 1.14 | 1.14 | 1.13 | 1.12 |  | 
 | 12 1/4 x 9 1/4 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 1.22 | 1.13 | 1.13 | 1.12 | 1.11 |  | 
 | 12 1/4 x 9 1/4 x 12"  | 10,8,6" | 25/500 | 1.36 | 1.26 | 1.26 | 1.25 | 1.24 |  | 
 | 12 1/4 x 12 1/4 x 12 3/4"  | ECT-44 Single Wall Corrugated | 20/480 | 9.36 | 8.67 | 8.63 | 8.56 | 8.49 |  | 
 | 12 5/16 x 12 5/16 x 40"  | Printed Outer Lamp Box HSC | 15/120 | 3.72 | 3.45 | 3.43 | 3.40 | 3.38 |  | 
 | 12 1/2 x 3 x 17 1/2"  | FOL Self Seal White | 25/875 | 4.91 | 4.54 | 4.53 | 4.49 | 4.45 |  | 
 | 12 1/2 x 4 1/2 x 48"  | Outer Telescopic HSC | 15/180 | 6.60 | 6.11 | 6.08 | 6.03 | 5.99 |  | 
 | 12 1/2 x 12 1/2 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | 1.23 | 1.14 | 1.13 | 1.12 | 1.11 |  | 
 | 12 1/2 x 12 1/2 x 6"  | 4,2" | 25/500 | 1.45 | 1.35 | 1.34 | 1.33 | 1.32 |  | 
 | 12 1/2 x 12 1/2 x 12"  | ECT-32 Single Wall Corrugated | 25/250 | 1.61 | 1.49 | 1.48 | 1.47 | 1.46 |  | 
 | 12 1/2 x 12 1/2 x 12"  | 10,8,6" | 25/250 | 1.91 | 1.77 | 1.76 | 1.75 | 1.73 |  | 
 | 12 1/2 x 12 1/2 x 15"  | ECT-48 Double Wall Corrugated | 15/150 | 2.96 | 2.74 | 2.73 | 2.71 | 2.69 |  | 
 | 12 1/2 x 12 1/2 x 15 1/8"  | ECT-48 Double Wall Corrugated | 10/160 | 9.02 | 8.35 | 8.32 | 8.25 | 8.18 |  | 
 | 12 1/2 x 12 1/2 x 48"  | Outside Telescopic HSC | 15/120 | 6.95 | 6.44 | 6.41 | 6.36 | 6.31 |  | 
 | 12 1/2 x 12 1/2 x 72"  | Outside Telescopic HSC | 15/90 | 14.81 | 13.71 | 13.66 | 13.55 | 13.44 |  | 
 | 12 3/4 x 6 3/8 x 13 1/2"  | Holds 4 - 6 x 6 x 6" Boxes | 25/500 | 1.09 | 1.01 | 1.00 | .99 | .99 |  | 
 | 12 3/4 x 12 3/4 x 13 1/2"  | Holds 8 - 6 x 6 x 6" Boxes | 25/250 | 1.95 | 1.80 | 1.80 | 1.78 | 1.77 |  | 
 | 13 x 3 x 3"  | ECT-32 Single Wall Corrugated | 25/1800 | .86 | .80 | .79 | .79 | .78 |  | 
 | 13 x 3 x 30"  | FOL | 25/375 | 3.88 | 3.59 | 3.58 | 3.55 | 3.52 |  | 
 | 13 x 7 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | .89 | .82 | .82 | .81 | .80 |  | 
 | 13 x 8 x 6"  | ECT-32 Single Wall Corrugated | 25/900 | 1.48 | 1.37 | 1.36 | 1.35 | 1.34 |  | 
 | 13 x 8 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | .97 | .90 | .90 | .89 | .88 |  | 
 | 13 x 9 x 4"  | ECT-32 Single Wall Corrugated | 25/900 | 1.39 | 1.28 | 1.28 | 1.27 | 1.26 |  | 
 | 13 x 9 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | .91 | .84 | .84 | .83 | .82 |  | 
 | 13 x 9 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | 1.01 | .94 | .93 | .92 | .92 |  | 
 | 13 x 9 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.66 | 1.54 | 1.53 | 1.52 | 1.51 |  | 
 | 13 x 9 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.09 | 1.01 | 1.01 | 1.00 | .99 |  | 
 | 13 x 9 x 11"  | ECT-32 Single Wall Corrugated | 25/500 | 1.17 | 1.09 | 1.08 | 1.07 | 1.06 |  | 
 | 13 x 10 x 2"  | ECT-32 Single Wall Corrugated | 25/500 | 1.64 | 1.52 | 1.51 | 1.50 | 1.49 |  | 
 | 13 x 10 x 4"  | ECT-32 Single Wall Corrugated | 25/500 | .88 | .81 | .81 | .80 | .80 |  | 
 | 13 x 10 x 5"  | ECT-32 Single Wall Corrugated | 25/500 | 1.00 | .92 | .92 | .91 | .90 |  | 
 | 13 x 10 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | 1.04 | .97 | .96 | .96 | .95 |  | 
 | 13 x 10 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | 1.08 | 1.00 | 1.00 | .99 | .98 |  | 
 | 13 x 10 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.11 | 1.03 | 1.03 | 1.02 | 1.01 |  | 
 | 13 x 10 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.16 | 1.08 | 1.07 | 1.06 | 1.05 |  | 
 | 13 x 10 x 10"  | ECT-32 Single Wall Corrugated | 25/500 | 1.21 | 1.12 | 1.12 | 1.11 | 1.10 |  | 
 | 13 x 10 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 2.17 | 2.01 | 2.00 | 1.98 | 1.97 |  | 
 | 13 x 10 x 13"  | ECT-32 Single Wall Corrugated | 25/500 | 1.94 | 1.80 | 1.79 | 1.78 | 1.76 |  | 
 | 13 x 10 x 15"  | ECT-32 Single Wall Corrugated | 25/500 | 2.48 | 2.29 | 2.28 | 2.27 | 2.25 |  | 
 | 13 x 11 x 2"  | ECT-32 Single Wall Corrugated | 25/900 | 1.58 | 1.47 | 1.46 | 1.45 | 1.44 |  | 
 | 13 x 11 x 5"  | ECT-32 Single Wall Corrugated | 25/500 | 1.06 | .98 | .98 | .97 | .96 |  | 
 | 13 x 11 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | 1.08 | 1.00 | .99 | .99 | .98 |  | 
 | 13 x 11 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | 1.21 | 1.12 | 1.11 | 1.10 | 1.10 |  | 
 | 13 x 11 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.22 | 1.13 | 1.12 | 1.11 | 1.11 |  | 
 | 13 x 11 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.27 | 1.18 | 1.17 | 1.16 | 1.15 |  | 
 | 13 x 11 x 11"  | ECT-32 Single Wall Corrugated | 25/500 | 1.43 | 1.32 | 1.32 | 1.31 | 1.30 |  | 
 | 13 x 13 x 2"  | ECT-32 Single Wall Corrugated | 25/500 | 1.98 | 1.83 | 1.82 | 1.81 | 1.79 |  | 
 | 13 x 13 x 3"  | ECT-32 Single Wall Corrugated | 25/500 | 1.78 | 1.65 | 1.64 | 1.63 | 1.61 |  | 
 | 13 x 13 x 4"  | ECT-32 Single Wall Corrugated | 25/250 | 1.13 | 1.04 | 1.04 | 1.03 | 1.02 |  | 
 | 13 x 13 x 5"  | ECT-32 Single Wall Corrugated | 25/500 | 1.32 | 1.22 | 1.21 | 1.20 | 1.19 |  | 
 | 13 x 13 x 6"  | ECT-32 Single Wall Corrugated | 25/500 | 1.31 | 1.21 | 1.21 | 1.20 | 1.19 |  | 
 | 13 x 13 x 7"  | ECT-32 Single Wall Corrugated | 25/500 | 1.39 | 1.28 | 1.28 | 1.27 | 1.26 |  | 
 | 13 x 13 x 8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.49 | 1.38 | 1.38 | 1.37 | 1.35 |  | 
 | 13 x 13 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.51 | 1.40 | 1.39 | 1.38 | 1.37 |  | 
 | 13 x 13 x 10"  | ECT-32 Single Wall Corrugated | 25/500 | 1.59 | 1.47 | 1.47 | 1.45 | 1.44 |  | 
 | 13 x 13 x 12"  | ECT-32 Single Wall Corrugated | 25/500 | 2.26 | 2.10 | 2.09 | 2.07 | 2.05 |  | 
 | 13 x 13 x 13"  | ECT-32 Single Wall Corrugated | 25/500 | 1.50 | 1.25 | 1.25 | 1.25 | 1.25 |  | 
 | 13 x 13 x 13"  | 11,9,7" | 25/500 | 1.76 | 1.63 | 1.62 | 1.61 | 1.59 |  | 
 | 13 x 13 x 13"  | ECT-44 Single Wall Corrugated | 25/500 | 4.09 | 3.79 | 3.77 | 3.74 | 3.71 |  | 
 | 13 x 13 x 13"  | ECT-48 Double Wall Corrugated | 15/180 | 2.96 | 2.74 | 2.73 | 2.70 | 2.68 |  | 
 | 13 x 13 x 15"  | ECT-32 Single Wall Corrugated | 25/250 | 2.16 | 2.00 | 1.99 | 1.98 | 1.96 |  | 
 | 13 x 13 x 17"  | ECT-32 Single Wall Corrugated | 25/250 | 2.91 | 2.69 | 2.68 | 2.66 | 2.64 |  | 
 | 13 1/4 x 10 1/4 x 9"  | ECT-32 Single Wall Corrugated | 25/500 | 1.22 | 1.13 | 1.12 | 1.11 | 1.10 |  | 
 | 13 1/4 x 10 1/4 x 12"  | 10,8,6" | 25/300 | 1.57 | 1.46 | 1.45 | 1.44 | 1.43 |  | 
 | 13 1/2 x 13 1/2 x 7 1/2"  | ECT-32 Single Wall Corrugated | 25/500 | 1.50 | 1.39 | 1.38 | 1.37 | 1.36 |  | 
 | 13 3/4 x 10 1/4 x 9 1/8"  | ECT-32 Single Wall Corrugated | 25/500 | 1.19 | 1.11 | 1.10 | 1.09 | 1.08 |  |