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Right-Sized Mailers
Fully Automated On-Demand Packaging FlowFast Pack and Fast Pack Plus

End-of-line automation. Track and trace. Returnable mailers.
Fast Pack produces pack-to-size padded paper or kraft paper mailers at top speed for B2B and B2C markets.
Key Features
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Modular layout
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Package volume optimization
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Eco-friendly and protective packaging materials
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Unwinder with automatic reel loading and unwinding system
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Speeds up to 3600 packages per hour
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We no longer have the ‘have-the-job-but-can’t-get-it-done-in-time’ issue. Lead times are 30–50% less.
— Brett Keene, CEO, Suttle-Straus
Featured Products
Reduce your environmental impact with automatic packaging using high-performance paper.
Fast Pack is an e-commerce packaging solution that features:
- Tailor-made package design and dimensions
- Easy opening and resealable systems for returns
- Package volume optimization
- Customized induction system
- Rejecting gate for products and packages out of specification
- Dynamic adaptive speed to avoid empty package production
- Data management and track-and-trace system
- In-line variable data printing
- Shipping label application
- Automatic in-line document printing and merging

Technical Specifications
| Specifications | Fast Pack | Fast Pack Plus |
|---|---|---|
| Packaging Speed | 900 - 3600 PPH | 900 - 2000 PPH |
| Product size (LxWxH) | Min. 120 x 100 x 5 mm / 20 g; Max. 320* x 230 x 70 mm / 2 kg; Min. 4.7” x 4” x 0.2” / 0.044 lbs; Max. 12.6”* x 9” x 2.8” / 4.4 lbs | Min. 150 x 100 x 10 mm / 20 g; Max. 420* x 350 x 180 mm / 2 kg; Min. 6” x 4” x 0.4” / 0.044 lbs; Max. 16.5”* x 13.7” x 7” 4.4 lbs |
| Materials | Paper 60 - 120 gsm | Paper 80 – 150 gsm |
| Glue | Hot-melt system; Tamper-proof | Hot-melt system; Tamper-proof |
| Cutting and closing | Top longitudinal overlap (glue); Cross adaptive cutting (glue) | Top longitudinal overlap (glue); Cross adaptive cutting (glue) |
Modular Layout
1. Totes Arrival
2. Item Induction
3. Item Eject System
4. Dynamic Adaptive Speed Buffer
5. Unwinding
6. Track & Trace / Controller
7. Wrapping
8. Package Eject System
9. Package Output
Product Documentation
Stack 5151 / Stack 5251 Brochure A4
Stack 5151 / Stack 5251 Brochure US
Product Documentation
Sitma Catalog
Applications