Kraft Square Mailing Tubes
Square tubes will not roll around which makes them easier to pack and ship than traditional round 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 | $1.94 | $1.85 | $1.74 | $1.67 | $1.61 | |
| M3325K | 3 x 3 x 25" | 25/800 | 2.46 | 2.35 | 2.21 | 2.12 | 2.04 | |
| M3330K | 3 x 3 x 30" | 25/800 | 2.67 | 2.54 | 2.39 | 2.30 | 2.21 | |
| M3337K | 3 x 3 x 37" | 25/800 | 3.12 | 2.97 | 2.80 | 2.69 | 2.58 | |
| M3348K | 3 x 3 x 48" | 25/500 | 4.21 | 4.00 | 3.77 | 3.63 | 3.48 | |
| M5518K | 5 x 5 x 18" | 25/800 | 1.62 | 1.54 | 1.45 | 1.40 | 1.34 | |
| M5530K | 5 x 5 x 30" | 25/800 | 4.21 | 4.00 | 3.77 | 3.63 | 3.48 | |
| M5537K | 5 x 5 x 37" | 25/800 | 4.49 | 4.28 | 4.03 | 3.87 | 3.72 | |
| M5548K | 5 x 5 x 48" | 25/800 | 3.16 | 3.01 | 2.83 | 2.72 | 2.61 |
Copyright © 2026 Action Container Corporation. All rights reserved.
We use cookies to provide essential site functionality for the shopping cart, login, and security. We also use third-party cookies for analytics and advertising, which require your consent. You can accept all cookies, customize your preferences, or reject non-essential cookies. See our privacy policy for more details.