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 | $2.24 | $2.01 | $1.84 | $1.72 | $1.72 | |
| M3325K | 3 x 3 x 25" | 25/800 | 2.84 | 2.55 | 2.33 | 2.18 | 2.18 | |
| M3330K | 3 x 3 x 30" | 25/800 | 3.07 | 2.76 | 2.52 | 2.35 | 2.35 | |
| M3337K | 3 x 3 x 37" | 25/800 | 3.59 | 3.23 | 2.95 | 2.75 | 2.75 | |
| M3348K | 3 x 3 x 48" | 25/500 | 4.84 | 4.35 | 3.97 | 3.71 | 3.71 | |
| M5518K | 5 x 5 x 18" | 25/800 | 1.87 | 1.68 | 1.53 | 1.43 | 1.43 | |
| M5530K | 5 x 5 x 30" | 25/800 | 4.84 | 4.35 | 3.97 | 3.71 | 3.71 | |
| M5537K | 5 x 5 x 37" | 25/800 | 5.18 | 4.65 | 4.25 | 3.97 | 3.97 | |
| M5548K | 5 x 5 x 48" | 25/800 | 3.64 | 3.27 | 2.98 | 2.79 | 2.79 |
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