Kraft Square Mailing Tubes
- These one-piece tubes ship flat to save space.
- Tubes fold together fast without tape or glue.
- Constructed from ECT-32-B, kraft corrugated.

Stock Number | Inside Dimensions W x D x L | Bundle/ Bale | 50 | 100 | 300 | 500 | 1M+ | Add to Cart |
|---|---|---|---|---|---|---|---|---|
| M3318K | 3 x 3 x 18" | 25/1600 | $1.88 | $1.85 | $1.82 | $1.80 | $1.77 | |
| M3325K | 3 x 3 x 25" | 25/800 | 2.38 | 2.35 | 2.31 | 2.28 | 2.24 | |
| M3330K | 3 x 3 x 30" | 25/800 | 2.58 | 2.54 | 2.50 | 2.46 | 2.43 | |
| M3337K | 3 x 3 x 37" | 25/800 | 3.01 | 2.97 | 2.92 | 2.88 | 2.84 | |
| M3348K | 3 x 3 x 48" | 25/500 | 4.06 | 4.00 | 3.95 | 3.89 | 3.83 | |
| M5518K | 5 x 5 x 18" | 25/800 | 1.57 | 1.54 | 1.52 | 1.50 | 1.48 | |
| M5530K | 5 x 5 x 30" | 25/800 | 4.06 | 4.00 | 3.95 | 3.89 | 3.83 | |
| M5537K | 5 x 5 x 37" | 25/800 | 4.34 | 4.28 | 4.22 | 4.15 | 4.09 | |
| M5548K | 5 x 5 x 48" | 25/800 | 3.05 | 3.01 | 2.96 | 2.92 | 2.88 |
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