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 | $2.21 | $2.10 | $2.05 | $1.97 | $1.94 | |
| M3325K | 3 x 3 x 25" | 25/800 | 2.80 | 2.67 | 2.60 | 2.50 | 2.46 | |
| M3330K | 3 x 3 x 30" | 25/800 | 3.04 | 2.89 | 2.81 | 2.70 | 2.67 | |
| M3337K | 3 x 3 x 37" | 25/800 | 3.55 | 3.38 | 3.29 | 3.16 | 3.12 | |
| M3348K | 3 x 3 x 48" | 25/500 | 4.79 | 4.55 | 4.44 | 4.26 | 4.21 | |
| M5518K | 5 x 5 x 18" | 25/800 | 1.85 | 1.76 | 1.71 | 1.65 | 1.62 | |
| M5530K | 5 x 5 x 30" | 25/800 | 4.79 | 4.55 | 4.44 | 4.26 | 4.21 | |
| M5537K | 5 x 5 x 37" | 25/800 | 5.11 | 4.87 | 4.74 | 4.56 | 4.49 | |
| M5548K | 5 x 5 x 48" | 25/800 | 3.59 | 3.42 | 3.33 | 3.20 | 3.16 |
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