Bulk & Cheap Shipping Boxes: Wholesale Case Prices by Size

Updated August 1, 2026

Prices below are live catalog prices.

Buying shipping boxes in bulk comes down to two numbers: the per-box price at case quantity, and the freight to your dock. Every size below shows both halves honestly — case price and per-box math straight from the live catalog, with carrier-quoted freight shown at checkout from 5 US regional warehouses. No membership, no minimums.

Looking for cheap shipping boxes without the quality gamble?

Every box in these tables is corrugated kraft in a stamped ECT grade — the certificate class printed on the box, not a marketing name. Prices get sharper as case counts rise, and the per-box column makes suppliers directly comparable: put your last invoice next to it, freight included, and the math settles the argument. Flexible on exact size? Neighboring sizes often differ meaningfully in per-box price — the tables make those swaps easy to spot.

Small boxes (longest side up to 12") — wholesale case pricing

Size (L x W x H) Grade Per case Case price Per box
3 x 3 x 3 ECT-32 25 $10.91 $0.44
4 x 4 x 4 ECT-32 25 $8.07 $0.32
4 x 4 x 5 ECT-32 25 $15.05 $0.60
5 x 4 x 4 ECT-32 25 $11.88 $0.48
5 x 5 x 3 ECT-32 25 $14.89 $0.60
5 x 5 x 4 ECT-32 25 $12.10 $0.48
5 x 5 x 5 ECT-32 25 $11.22 $0.45
4 x 4 x 6 ECT-32 25 $12.95 $0.52
5 x 5 x 6 ECT-32 25 $19.71 $0.79
6 x 3 x 3 ECT-32 25 $14.01 $0.56
6 x 4 x 2 ECT-32 25 $15.51 $0.62
6 x 4 x 3 ECT-32 25 $16.61 $0.66
6 x 4 x 4 ECT-32 25 $10.00 $0.40
6 x 5 x 4 ECT-32 25 $10.59 $0.42
6 x 5 x 5 ECT-32 25 $10.30 $0.41
6 x 6 x 2 ECT-32 25 $18.55 $0.74
6 x 6 x 4 ECT-32 25 $10.90 $0.44
6 x 6 x 5 ECT-32 25 $12.18 $0.49
6 x 6 x 6 ECT-32 25 $12.81 $0.51
6 x 6 x 7 ECT-32 25 $21.68 $0.87
7 x 4 x 4 ECT-32 25 $11.80 $0.47
7 x 5 x 3 ECT-32 25 $14.51 $0.58
7 x 5 x 4 ECT-32 25 $11.00 $0.44
7 x 5 x 5 ECT-32 25 $10.86 $0.43
7 x 6 x 4 ECT-32 25 $16.01 $0.64
7 x 6 x 5 ECT-32 25 $20.38 $0.82
7 x 6 x 6 ECT-32 25 $14.77 $0.59
7 x 7 x 3 ECT-32 25 $13.01 $0.52
7 x 7 x 4 ECT-32 25 $14.37 $0.57
7 x 7 x 5 ECT-32 25 $14.08 $0.56
7 x 7 x 6 ECT-32 25 $16.63 $0.67
7 x 7 x 7 ECT-32 25 $16.72 $0.67
6.875 x 6.875 x 7.875 ECT-44 20 $120.62 $6.03
4 x 4 x 8 ECT-32 25 $13.76 $0.55
5 x 5 x 8 ECT-32 25 $19.74 $0.79
6 x 4 x 8 ECT-32 25 $22.32 $0.89
6 x 6 x 8 ECT-32 25 $15.98 $0.64
7 x 7 x 8 ECT-32 25 $17.63 $0.71
8 x 5 x 3 ECT-32 25 $19.88 $0.80
8 x 5 x 4 ECT-32 25 $12.56 $0.50
8 x 6 x 2 ECT-32 25 $14.38 $0.58
8 x 6 x 3 ECT-32 25 $12.19 $0.49
8 x 6 x 4 ECT-32 25 $12.19 $0.49
8 x 6 x 4.25 ECT-32 12 $122.20 $10.18
8 x 6 x 5 ECT-32 25 $13.92 $0.56

Medium boxes (over 12" to 17") — wholesale case pricing

Size (L x W x H) Grade Per case Case price Per box
10.875 x 2 x 12.25 ECT-32 25 $103.20 $4.13
12.25 x 9.25 x 9 ECT-32 25 $32.73 $1.31
12.25 x 9.25 x 12 ECT-32 25 $32.43 $1.30
12.5 x 12.5 x 6 ECT-32 25 $32.56 $1.30
12.5 x 12.5 x 12 ECT-32 25 $42.63 $1.71
6 x 6 x 12.75 ECT-44 20 $134.29 $6.71
12 x 6 x 12.75 ECT-44 20 $135.81 $6.79
12.25 x 12.25 x 12.75 ECT-44 20 $198.70 $9.93
9 x 9 x 13 ECT-48 25 $49.53 $1.98
11 x 11 x 13 ECT-32 25 $60.46 $2.42
12 x 12 x 13 ECT-32 25 $43.76 $1.75
13 x 3 x 3 ECT-32 25 $22.84 $0.91
13 x 7 x 7 ECT-32 25 $23.54 $0.94
13 x 8 x 6 ECT-32 25 $39.28 $1.57
13 x 8 x 8 ECT-32 25 $25.83 $1.03
13 x 9 x 4 ECT-32 25 $36.78 $1.47
13 x 9 x 6 ECT-32 25 $25.10 $1.00
13 x 9 x 7 ECT-32 25 $26.81 $1.07
13 x 9 x 8 ECT-32 25 $44.12 $1.76
13 x 9 x 9 ECT-32 25 $28.96 $1.16
13 x 9 x 11 ECT-32 25 $31.13 $1.25
13 x 10 x 2 ECT-32 25 $43.56 $1.74
13 x 10 x 4 ECT-32 25 $23.30 $0.93
13 x 10 x 5 ECT-32 25 $26.46 $1.06
13 x 10 x 6 ECT-32 25 $27.72 $1.11
13 x 10 x 7 ECT-32 25 $28.67 $1.15
13 x 10 x 8 ECT-32 25 $29.57 $1.18
13 x 10 x 9 ECT-32 25 $30.85 $1.23
13 x 10 x 10 ECT-32 25 $32.15 $1.29
13 x 10 x 12 ECT-32 25 $57.58 $2.30
13 x 10 x 13 ECT-32 25 $51.60 $2.06
13 x 11 x 2 ECT-32 25 $42.03 $1.68
13 x 11 x 5 ECT-32 25 $28.16 $1.13
13 x 11 x 6 ECT-32 25 $28.60 $1.14
13 x 11 x 7 ECT-32 25 $32.03 $1.28
13 x 11 x 8 ECT-32 25 $32.32 $1.29
13 x 11 x 9 ECT-32 25 $33.77 $1.35
13 x 11 x 11 ECT-32 25 $37.88 $1.52
13 x 13 x 2 ECT-32 25 $52.42 $2.10
13 x 13 x 3 ECT-32 25 $47.16 $1.89
13 x 13 x 4 ECT-32 25 $29.91 $1.20
13 x 13 x 5 ECT-32 25 $34.93 $1.40
13 x 13 x 6 ECT-32 25 $34.68 $1.39
13 x 13 x 7 ECT-32 25 $36.78 $1.47
13 x 13 x 8 ECT-32 25 $39.62 $1.58

Large boxes (over 17" to 24") — wholesale case pricing

Size (L x W x H) Grade Per case Case price Per box
17.25 x 11.25 x 4 ECT-32 25 $30.45 $1.22
17.25 x 11.25 x 5 ECT-32 25 $32.42 $1.30
17.25 x 11.25 x 6 ECT-32 25 $33.25 $1.33
17.25 x 11.25 x 7 ECT-32 25 $36.05 $1.44
17.25 x 11.25 x 8 ECT-32 25 $36.12 $1.44
17.25 x 11.25 x 10 ECT-32 25 $42.53 $1.70
17.25 x 11.25 x 11.5 ECT-32 25 $44.73 $1.79
17.25 x 11.25 x 12 ECT-32 25 $48.37 $1.93
17.25 x 11.25 x 14.25 ECT-32 20 $44.42 $2.22
12.5 x 3 x 17.5 ECT-32 25 $127.79 $5.11
17.5 x 12 x 3 ECT-32 25 $53.45 $2.14
4 x 4 x 18 ECT-32 25 $26.62 $1.06
6 x 6 x 18 ECT-32 25 $33.29 $1.33
8 x 8 x 18 ECT-32 25 $29.85 $1.19
9 x 9 x 18 ECT-32 25 $34.57 $1.38
10 x 10 x 18 ECT-32 25 $39.35 $1.57
12 x 12 x 18 ECT-32 25 $50.43 $2.02
14 x 14 x 18 ECT-32 25 $61.54 $2.46
16 x 16 x 18 ECT-32 25 $74.69 $2.99
18 x 4 x 4 ECT-32 25 $21.92 $0.88
18 x 6 x 4 ECT-32 25 $21.29 $0.85
18 x 6 x 6 ECT-32 25 $24.34 $0.97
18 x 8 x 4 ECT-32 25 $27.48 $1.10
18 x 8 x 6 ECT-32 25 $26.85 $1.07
18 x 8 x 8 ECT-32 25 $30.60 $1.22
18 x 10 x 4 ECT-32 25 $28.83 $1.15
18 x 10 x 6 ECT-32 25 $30.95 $1.24
18 x 10 x 8 ECT-32 25 $35.28 $1.41
18 x 10 x 10 ECT-32 25 $39.57 $1.58
18 x 12 x 2 ECT-32 25 $62.39 $2.50
18 x 12 x 3 ECT-32 25 $59.96 $2.40
18 x 12 x 4 ECT-32 25 $34.24 $1.37
18 x 12 x 5 ECT-32 25 $38.59 $1.54
18 x 12 x 6 ECT-32 25 $36.67 $1.47
18 x 12 x 7 ECT-32 25 $47.61 $1.90
18 x 12 x 8 ECT-32 25 $40.61 $1.62
18 x 12 x 9 ECT-32 25 $44.35 $1.77
18 x 12 x 10 ECT-32 25 $42.78 $1.71
18 x 12 x 12 ECT-32 25 $43.49 $1.74
18 x 12 x 14 ECT-32 25 $55.68 $2.23
18 x 12 x 16 ECT-32 25 $62.42 $2.50
18 x 12 x 18 ECT-32 25 $61.55 $2.46
18 x 13 x 5 ECT-32 25 $68.96 $2.76
18 x 13 x 12 ECT-32 25 $61.49 $2.46
18 x 14 x 4 ECT-32 25 $40.71 $1.63

Extra-large boxes (over 24") — wholesale case pricing

Size (L x W x H) Grade Per case Case price Per box
20 x 20 x 25 ECT-32 10 $49.50 $4.95
25 x 16 x 16 ECT-32 10 $37.15 $3.71
25 x 25 x 12 ECT-32 15 $104.19 $6.95
25 x 25 x 20 ECT-32 10 $65.28 $6.53
25 x 25 x 25 ECT-32 10 $77.31 $7.73
25.25 x 23 x 5 ECT-32 15 $117.81 $7.85
16 x 16 x 26 ECT-32 10 $36.60 $3.66
20 x 20 x 26 ECT-32 10 $47.91 $4.79
24 x 24 x 26 ECT-32 10 $102.78 $10.28
26 x 6 x 6 ECT-32 25 $40.22 $1.61
26 x 6 x 20 ECT-32 10 $42.13 $4.21
26 x 10 x 4 ECT-32 25 $57.28 $2.29
26 x 10 x 10 ECT-32 25 $53.09 $2.12
26 x 12 x 12 ECT-32 20 $53.53 $2.68
26 x 13 x 8 ECT-32 20 $48.12 $2.41
26 x 14 x 12 ECT-32 20 $92.69 $4.63
26 x 14 x 14 ECT-32 10 $31.09 $3.11
26 x 15 x 5 ECT-32 20 $50.76 $2.54
26 x 15 x 7 ECT-32 20 $54.62 $2.73
26 x 15 x 12 ECT-32 20 $69.24 $3.46
26 x 16 x 10 ECT-32 20 $65.05 $3.25
26 x 16 x 14 ECT-32 15 $55.47 $3.70
26 x 16 x 16 ECT-32 15 $89.09 $5.94
26 x 16 x 19 ECT-32 10 $41.09 $4.11
26 x 17 x 5 ECT-32 25 $120.42 $4.82
26 x 18 x 10 ECT-32 15 $61.24 $4.08
26 x 18 x 12 ECT-32 15 $54.14 $3.61
26 x 18 x 14 ECT-32 10 $42.92 $4.29
26 x 18 x 16 ECT-32 10 $40.80 $4.08
26 x 18 x 18 ECT-32 15 $98.86 $6.59
26 x 20 x 4 ECT-32 20 $70.12 $3.51
26 x 20 x 6 ECT-32 20 $88.99 $4.45
26 x 20 x 8 ECT-32 15 $90.13 $6.01
26 x 20 x 10 ECT-32 15 $77.04 $5.14
26 x 20 x 12 ECT-32 15 $82.22 $5.48
26 x 20 x 14 ECT-32 15 $103.34 $6.89
26 x 20 x 16 ECT-32 10 $45.13 $4.51
26 x 20 x 18 ECT-32 10 $49.05 $4.90
26 x 20 x 20 ECT-32 10 $50.47 $5.05
26 x 22 x 12 ECT-32 15 $108.53 $7.24
26 x 26 x 4 ECT-32 15 $76.36 $5.09
26 x 26 x 6 ECT-32 10 $48.99 $4.90
26 x 26 x 8 ECT-32 10 $75.23 $7.52
26 x 26 x 10 ECT-32 10 $49.76 $4.98
26 x 26 x 12 ECT-32 10 $52.48 $5.25

Cube boxes — equal-sided staples

Size Grade Per case Case price Per box
3 x 3 x 3 ECT-32 25 $10.91 $0.44
4 x 4 x 4 ECT-32 25 $8.07 $0.32
5 x 5 x 5 ECT-32 25 $11.22 $0.45
6 x 6 x 6 ECT-32 25 $12.81 $0.51
7 x 7 x 7 ECT-32 25 $16.72 $0.67
8 x 8 x 8 ECT-32 25 $18.14 $0.73
9 x 9 x 9 ECT-32 25 $21.74 $0.87
10 x 10 x 10 ECT-32 25 $22.09 $0.88
11 x 11 x 11 ECT-32 25 $34.36 $1.37
12 x 12 x 12 ECT-32 25 $31.21 $1.25
13 x 13 x 13 ECT-32 25 $41.38 $1.66
14 x 14 x 14 ECT-32 25 $48.75 $1.95
15 x 15 x 15 ECT-32 25 $54.36 $2.17
16 x 16 x 16 ECT-32 25 $61.02 $2.44
17 x 17 x 17 ECT-32 25 $77.13 $3.09
18 x 18 x 18 ECT-32 20 $59.76 $2.99
19 x 19 x 19 ECT-32 10 $40.72 $4.07
20 x 20 x 20 ECT-32 10 $38.72 $3.87
21 x 21 x 21 ECT-32 15 $105.95 $7.06
22 x 22 x 22 ECT-32 10 $46.29 $4.63
23 x 23 x 23 ECT-32 10 $92.53 $9.25
24 x 24 x 24 ECT-32 10 $56.67 $5.67
25 x 25 x 25 ECT-32 10 $77.31 $7.73

These tables show one representative product per size (the best per-box price); most sizes come in multiple grades and pack counts. Browse the full ranges: all corrugated boxes · heavy duty & double wall · white boxes · gaylord bulk boxes · cube boxes · sheets & pads · small · medium · large · size chart.

If you’re comparing suppliers on price, the per-box column above is the number to use — at your real quantity, freight included.

Frequently asked questions

Do you offer wholesale pricing on shipping boxes?

Every table above is wholesale-format pricing: case and bundle quantities with the per-box price computed for you. For pallet-volume or standing orders, request a bulk quote with your quantities and we price them from the nearest warehouse.

Is there a minimum order?

No minimums and no membership. Order one bundle or twenty — freight is quoted live at checkout from whichever of the 5 US regional warehouses is closest to you.

How do I compare box suppliers fairly?

Use the per-box column at your real order quantity, then add each supplier's freight for the same cart. Total landed cost is the only number that matters; two minutes in our cart shows it exactly.

Uline is a registered trademark of Uline, Inc. Comparing suppliers? See the Uline alternatives price & freight guide.