• 275 lb. Test Heavy Duty Boxes

    Heavy Duty Cardboard Boxes

    • Our Heavy Duty Corrugated Boxes provide added protection while sending or storing your goods. Use heavy-duty boxes for additional stacking strength.
    • Single Wall Heavy Duty Boxes are made from single wide 275# ECT-44 corrugated carton.
    • Multi-Depth Heavy Duty Boxes have score lines at multiple depths designed to "fold to size" for a precise fit.
    • Double Wall Heavy Duty Boxes are made from 275# ECT-48 corrugated carton.
    • Find exactly what you are looking for with our easy to use filter below.
  • Heavy Duty Single Wall Boxes
  • Heavy Duty Multi-Depth Boxes
  • Heavy Duty Double Wall Boxes

Heavy Duty Boxes

Sku # Description Width Length Depth Qty/Bundle 1 4 10 11+
6 x 6 x 6 Single Wall BX-060606HD
6 x 6 x 6 Single Wall

6 x 6 x 6 Single Wall

275#/ECT-44 Corrugated

6" 6" 6" 25 $11.65
$11.25 $10.90 Quote
8 x 8 x 8 Single Wall BX-080808HD
8 x 8 x 8 Single Wall

8 x 8 x 8 Single Wall

275#/ECT-44 Corrugated

8" 8" 8" 25 $18.65
$18.05 $17.50 Quote
10 x 10 x 10 Single Wall BX-101010HD
10 x 10 x 10 Single Wall

10 x 10 x 10 Single Wall

275#/ECT-44 Corrugated

10" 10" 10" 25 $26.40
$25.55 $24.75 Quote
11 1/4 x 8 3/4 x 12 Single Wall BX-110812HD
11 1/4 x 8 3/4 x 12 Single Wall

11 1/4 x 8 3/4 x 12 Single Wall

275#/ECT-44 Corrugated

8 3/4" 11 1/4" 12" 25 $27.55
$26.65 $25.85 Quote
12 x 6 x 6 Single Wall BX-120606HD
12 x 6 x 6 Single Wall

12 x 6 x 6 Single Wall

275#/ECT-44 Corrugated

12" 6" 6" 25 $15.75
$15.25 $14.80 Quote
12 x 12 x 6 HD (275#-C) BX-121206HD
12 x 12 x 6 HD (275#-C)

12 x 12 x 6 HD (275#-C)

12" 12" 6" 25 $28.40
$27.50 $26.65 Quote
12 x 12 x 12 Single Wall BX-121212HD
12 x 12 x 12 Single Wall

12 x 12 x 12 Single Wall

275#/ECT-44 Corrugated

12" 12" 12" 25 $34.95
$33.80 $32.75 Quote
14 x 14 x 14 Single Wall BX-141414HD
14 x 14 x 14 Single Wall

14 x 14 x 14 Single Wall

275#/ECT-44 Corrugated

14" 14" 14" 25 $47.10
$45.60 $44.20 Quote
16 x 12 x 12 Single Wall BX-161212HD
16 x 12 x 12 Single Wall

16 x 12 x 12 Single Wall

275#/ECT-44 Corrugated

12" 16" 12" 25 $44.20
$42.90 $42.50 Quote
16 x 16 x 16 Single Wall BX-161616HD
16 x 16 x 16 Single Wall

16 x 16 x 16 Single Wall

275#/ECT-44 Corrugated

16" 16" 16" 25 $61.15
$59.20 $57.35 Quote
17 1/4 x 11 1/4 x 10 Single Wall BX-171110HD
17 1/4 x 11 1/4 x 10 Single Wall

17 1/4 x 11 1/4 x 10 Single Wall

275#/ECT-44 Corrugated

11" 17" 10" 25 $40.80
$39.50 $38.25 Quote
17 1/4 x 11 1/4 x 12 Single Wall BX-171112HD
17 1/4 x 11 1/4 x 12 Single Wall

17 1/4 x 11 1/4 x 12 Single Wall

275#/ECT-44 Corrugated

11" 17" 12" 25 $42.20
$40.85 $39.55 Quote
18 x 12 x 12 Single Wall BX-181212HD
18 x 12 x 12 Single Wall

18 x 12 x 12 Single Wall

275#/ECT-44 Corrugated

12" 18" 12" 25 $46.75
$45.25 $43.80 Quote
18 x 18 x 12 Single Wall BX-181812HD
18 x 18 x 12 Single Wall

18 x 18 x 12 Single Wall

275#/ECT-44 Corrugated

18" 18" 12" 20 $48.90
$47.50 $47.00 Quote
18 x 18 x 18 Single Wall BX-181818HD
18 x 18 x 18 Single Wall

18 x 18 x 18 Single Wall

275#/ECT-44 Corrugated

18" 18" 18" 20 $61.55
$59.60 $57.70 Quote
20 x 16 x 14 Single Wall BX-201614HD
20 x 16 x 14 Single Wall

20 x 16 x 14 Single Wall

275#/ECT-44 Corrugated

16" 20" 14" 20 $42.90
$41.70 $41.20 Quote
20 x 20 x 12 Single Wall BX-202012HD
20 x 20 x 12 Single Wall

20 x 20 x 12 Single Wall

275#/ECT-44 Corrugated

20" 20" 12" 10 $32.75
$31.65 $30.70 Quote
20 x 20 x 20 Single Wall BX-202020HD
20 x 20 x 20 Single Wall

20 x 20 x 20 Single Wall

275#/ECT-44 Corrugated

20" 20" 20" 20 $78.50
$76.20 $75.40 Quote
22 x 22 x 22 Single Wall BX-222222HD
22 x 22 x 22 Single Wall

22 x 22 x 22 Single Wall

275#/ECT-44 Corrugated

22" 22" 22" 15 $88.70
$86.10 $85.20 Quote
24 x 12 x 12 Single Wall BX-241212HD
24 x 12 x 12 Single Wall

24 x 12 x 12 Single Wall

275#/ECT-44 Corrugated

12" 24" 12" 25 $53.75
$52.00 $50.40 Quote
24 x 18 x 12 Single Wall BX-241812HD
24 x 18 x 12 Single Wall

24 x 18 x 12 Single Wall

275#/ECT-44 Corrugated

18" 24" 12" 20 $49.50
$48.10 $47.60 Quote
24 x 24 x 12 Single Wall BX-242412HD
24 x 24 x 12 Single Wall

24 x 24 x 12 Single Wall

275#/ECT-44 Corrugated

24" 24" 12" 10 $43.90
$42.50 $41.20 Quote
24 x 24 x 24 Single Wall BX-242424HD
24 x 24 x 24 Single Wall

24 x 24 x 24 Single Wall

275#/ECT-44 Corrugated

24" 24" 24" 15 $79.50
$77.20 $76.40 Quote
23 Items

Heavy Duty Double Walled

Sku # Description Width Length Depth Qty/Bundle 1 4 10 11+
8 x 8 x 8 Double Wall BX-080808HDDW
8 x 8 x 8 Double Wall

8 x 8 x 8 Double Wall

275#/ECT-48 Corrugated

8" 8" 8" 15 $11.40
$11.00 $10.70 Quote
9 x 9 x 6 1/2 Double Wall BX-090906KEG
9 x 9 x 6 1/2 Double Wall

9 x 9 x 6 1/2 Double Wall

275#/ECT-48 Corrugated

9" 9" 6 1/2" 25 $20.55
$19.90 $19.25 Quote
9 x 9 x 13 Double Wall BX-090913KEG
9 x 9 x 13 Double Wall

9 x 9 x 13 Double Wall

275#/ECT-48 Corrugated

9" 9" 13" 25 $28.70
$27.80 $26.90 Quote
11 1/2x11 1/2x15 3/8 Double Wall BX-111115KEG
11 1/2x11 1/2x15 3/8 Double Wall

11 1/2x11 1/2x15 3/8 Double Wall

275#/ECT-48 Corrugated

11 1/2" 11 1/2" 15 3/8" 25 $43.85
$42.40 $41.10 Quote
12 x 12 x 12 Double Wall BX-121212HDDW
12 x 12 x 12 Double Wall

12 x 12 x 12 Double Wall

275#/ECT-48 Corrugated

12" 12" 12" 15 $24.15
$23.35 $22.65 Quote
14 x 14 x 14 Double Wall BX-141414HDDW
14 x 14 x 14 Double Wall

14 x 14 x 14 Double Wall

275#/ECT-48 Corrugated

14" 14" 14" 15 $32.50
$31.45 $30.50 Quote
16 x 12 x 12 Double Wall BX-161212HDDW
16 x 12 x 12 Double Wall

16 x 12 x 12 Double Wall

275#/ECT-48 Corrugated

12" 16" 12" 15 $28.55
$27.60 $26.75 Quote
16 x 16 x 16 Double Wall BX-161616HDDW
16 x 16 x 16 Double Wall

16 x 16 x 16 Double Wall

275#/ECT-48 Corrugated

16" 16" 16" 15 $42.65
$41.25 $39.95 Quote
18 x 12 x 8 Double Wall BX-181208HDDW
18 x 12 x 8 Double Wall

18 x 12 x 8 Double Wall

275#/ECT-48 Corrugated

12" 18" 8" 15 $25.60
$24.80 $24.00 Quote
18 x 12 x 12 Double Wall BX-181212HDDW
18 x 12 x 12 Double Wall

18 x 12 x 12 Double Wall

275#/ECT-48 Corrugated

12" 18" 12" 15 $30.50
$29.50 $28.55 Quote
18 x 18 x 12 Double Wall BX-181812HDDW
18 x 18 x 12 Double Wall

18 x 18 x 12 Double Wall

275#/ECT-48 Corrugated

18" 18" 12" 10 $29.90
$28.95 $28.05 Quote
18 x 18 x 18 Double Wall BX-181818HDDW
18 x 18 x 18 Double Wall

18 x 18 x 18 Double Wall

275#/ECT-48 Corrugated

18" 18" 18" 15 $48.90
$47.50 $47.00 Quote
20 x 20 x 20 Double Wall BX-202020HDDW
20 x 20 x 20 Double Wall

20 x 20 x 20 Double Wall

275#/ECT-48 Corrugated

20" 20" 20" 15 $58.10
$56.40 $55.80 Quote
22 x 22 x 22 Double Wall BX-222222HDDW
22 x 22 x 22 Double Wall

22 x 22 x 22 Double Wall

275#/ECT-48 Corrugated

22" 22" 22" 15 $86.70
$84.10 $83.30 Quote
24 x 12 x 12 Double Wall BX-241212HDDW
24 x 12 x 12 Double Wall

24 x 12 x 12 Double Wall

275#/ECT-48 Corrugated

12" 24" 12" 15 $36.30
$35.15 $34.05 Quote
24 x 20 x 12 Double Wall BX-242012HDDW
24 x 20 x 12 Double Wall

24 x 20 x 12 Double Wall

275#/ECT-48 Corrugated

20" 24" 12" 15 $66.20
$64.30 $63.60 Quote
24 x 24 x 12 Double Wall BX-242412HDDW
24 x 24 x 12 Double Wall

24 x 24 x 12 Double Wall

275#/ECT-48 Corrugated

24" 24" 12" 15 $85.40
$82.90 $82.00 Quote
24 x 24 x 24 Double Wall BX-242424HDDW
24 x 24 x 24 Double Wall
Ships via LTL

24 x 24 x 24 Double Wall

275#/ECT-48 Corrugated

24" 24" 24" 15 $75.80
$73.60 $72.80 Quote
26 x 26 x 26 Double Wall BX-262626HDDW
26 x 26 x 26 Double Wall

26 x 26 x 26 Double Wall

275#/ECT-48 Corrugated

26" 26" 26" 15 $111.30
$108.00 $106.90 Quote
30 x 20 x 20 Double Wall BX-302020HDDW
30 x 20 x 20 Double Wall

30 x 20 x 20 Double Wall

275#/ECT-48 Corrugated

20" 30" 20" 15 $104.00
$100.90 $99.90 Quote
36 x 36 x 24 Double Wall BX-363624HDDW
36 x 36 x 24 Double Wall
Ships via LTL

36 x 36 x 24 Double Wall

275#/ECT-48 Corrugated

36" 36" 24" 5 $65.90
$63.75 $61.80 Quote
36 x 36 x 36 Double Wall BX-363636HDDW
36 x 36 x 36 Double Wall
Ships via LTL

36 x 36 x 36 Double Wall

275#/ECT-48 Corrugated

36" 36" 36" 5 $78.00
$75.45 $73.10 Quote
48 x 40 x 36 Double Wall BX-484036HDDW
48 x 40 x 36 Double Wall
Ships via LTL

48 x 40 x 36 Double Wall

275#/ECT-48 Corrugated

40" 48" 36" 5 $99.45
$96.25 $93.25 Quote
23 Items

Heavy Duty Multi-depth

Sku # Description Width Length Depth Qty/Bundle 1 4 10 11+
20 x 20 x 20 Multidepth Single Wall BX-202020MDHD
20 x 20 x 20 Multidepth Single Wall

20 x 20 x 20 Multidepth Single Wall

Multi-Depth @ 18", 16" & 14"

275#/ECT-44 Corrugated

20" 20" 20" 20 $63.90
$62.00 $61.40 Quote
24 x 24 x 24 Multidepth Single Wall BX-242424MDHD
24 x 24 x 24 Multidepth Single Wall

24 x 24 x 24 Multidepth Single Wall

Multi-Depth@22",20",18",16",14"&12"

275#/ECT-44 Corrugated

24" 24" 24" 15 $79.50
$77.20 $76.40 Quote
26 x 20 x 20 Multidepth Single Wall BX-262020MDHD
26 x 20 x 20 Multidepth Single Wall

26 x 20 x 20 Multidepth Single Wall

Multi-Depth @ 18", 16", 14" & 12"

275#/ECT-44 Corrugated

20" 26" 20" 20 $87.70
$85.10 $84.20 Quote
26 x 26 x 26 Multidepth Single Wall BX-262626MDHD
26 x 26 x 26 Multidepth Single Wall

26 x 26 x 26 Multidepth Single Wall

Multi-Depth@20",18",16",14",12",10"

275#/ECT-44 Corrugated

26" 26" 26" 15 $132.30
$128.40 $127.10 Quote
30 x 20 x 20 Multidepth Single Wall BX-302020MDHD
30 x 20 x 20 Multidepth Single Wall

30 x 20 x 20 Multidepth Single Wall

Multi-Depth @ 20",18",16",14" & 12"

275#/ECT-44 Corrugated

20" 30" 20" 15 $71.80
$69.70 $69.00 Quote
30 x 24 x 24 Multidepth Single Wall BX-302424MDHD
30 x 24 x 24 Multidepth Single Wall

30 x 24 x 24 Multidepth Single Wall

Multi-Depth @ 22",20",18",16" & 14"

275#/ECT-44 Corrugated

24" 30" 24" 15 $94.80
$92.00 $91.10 Quote
32 x 24 x 24 Multidepth Single Wall BX-322424MDHD
32 x 24 x 24 Multidepth Single Wall

32 x 24 x 24 Multidepth Single Wall

Multi-Depth @ 22",20",18",16" & 14"

275#/ECT-44 Corrugated

24" 32" 24" 15 $74.10
$71.90 $71.20 Quote
7 Items