PAPER SACKS
Block Bottom, Open Top Paper Sacks
At Pentagon Secure Packaging, our block bottom, open top paper sacks are designed for efficiency, reliability, and sustainability. Engineered for easy filling and stable stacking, they offer exceptional performance across a wide range of dry goods and industrial applications.
Benefits at a Glance
Easy and Secure Filling
The open-top design allows for smooth, efficient filling — ideal for automated or manual packing lines.
Custom Re-Opening Options
Re-closable and re-opening devices can be integrated for convenience and product access.
High-Quality Materials
Available in bleached or unbleached paper ranging from 60gsm to 120gsm, providing the right balance of strength and flexibility.
Custom Printing
Bring your brand to life with up to 10-colour printing for vibrant, high-impact graphics.
Enhanced Finishes
Optional coatings and films can be added to achieve gloss or matt finishes and to improve frictional and mechanical properties.
Barrier Protection
For added product safety, PE inliners, metalised, or aluminium-coated plies can be incorporated to deliver advanced moisture, grease, or aroma barriers..
Paper Valve Sacks
At Pentagon Secure Packaging, our paper valve sacks are engineered for precision, protection, and performance. Designed for fast, clean filling and secure closure, they’re ideal for a wide range of powdered and granular products — from food ingredients to industrial materials.
Benefits at a Glance
Versatile Valve Closures
Choose from multiple valve types — self-closing, stuck-in or plugged-in, heat-sealed, or ultrasonic sealed — to suit your product and filling process.
Enhanced Product Protection
Incorporate poly-coated plies or HDPE films for superior moisture, aroma, or flavour barrier properties.
Clean and Efficient Sealing
Optional Easy Seal or Ultrasonic Sealable Valves provide a dust-free, hygienic closure with improved protection against contamination.
User-Friendly Opening
Bring your brand to life with up to 10-colour printing for vibrant, high-impact graphics.
Security Features
Add anti-counterfeiting labels to protect your brand and product integrity..
Ergonomic Design
Optional handles improve ease of handling for end users..
Mini Bag Option
Compact Mini Valve Bags are available in 2.3–6.5 litres (3–7.5kg) for smaller-volume applications.
High-Impact Printing
With World Bag® technology, benefit from up to three times more printable area for branding, multilingual instructions, or regulatory information.
Sustainability You Can Rely On
Our valve sacks are designed with sustainability at the core — balancing product performance with environmental responsibility.
Responsibly Sourced Fibres
Produced using paper from sustainably managed forests.
Renewable Materials
Made primarily from paper, a natural, renewable resource.
Material Efficiency
Engineered to minimise material use and optimise logistics, reducing your environmental footprint.
Recyclable & Compostable Options
Available as part of our re/cycle portfolio, including recyclable and certified compostable versions.
Designed for Material Separation
Facilitates responsible end-of-life recycling and recovery.
Applications
Pentagon’s paper valve sacks are trusted across a
wide range of industries, including:
- Cement & Building Materials (plasters, dry mortar, etc.)
- Food & Ingredients
- Pet Food
- Agriculture & Feed
- Chemicals
- Granulates & Pellets
- Other Dry Bulk Goods
Whether you need high-speed filling, superior sealing, or enhanced brand presentation, Pentagon Secure Packaging’s paper valve sacks deliver clean handling, reliable protection, and sustainable performance — every time.
