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 | $1.39 | $1.12 | $1.01 | $0.99 | $0.95 | |
| M3325K | 3 x 3 x 25" | 25/800 | 1.78 | 1.55 | 1.34 | 1.29 | 1.25 | |
| M3330K | 3 x 3 x 30" | 25/800 | 1.88 | 1.65 | 1.49 | 1.40 | 1.35 | |
| M3337K | 3 x 3 x 37" | 25/800 | 2.27 | 1.99 | 1.75 | 1.70 | 1.65 | |
| M3348K | 3 x 3 x 48" | 25/500 | 2.99 | 2.65 | 2.38 | 2.28 | 2.20 | |
| M5518K | 5 x 5 x 18" | 25/800 | 2.48 | 2.21 | 2.03 | 1.99 | 1.95 | |
| M5530K | 5 x 5 x 30" | 25/800 | 2.99 | 2.68 | 2.45 | 2.40 | 2.35 | |
| M5537K | 5 x 5 x 37" | 25/800 | 3.23 | 2.92 | 2.71 | 2.65 | 2.60 | |
| M5548K | 5 x 5 x 48" | 25/800 | 4.38 | 4.07 | 3.42 | 3.35 | 3.30 |
Copyright © 2026 Baywater Packaging. 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.