GrainGuard is a coffee bean hermetic vacuum bag manufacturer and wholesale supplier serving coffee exporters, cooperatives, dry mills, traders, importers, roasters, warehouse operators, and packaging distributors. Designed for green coffee storage and transport, the bag features a high-strength PE-based structure with a barrier layer and heat-sealed closure. When properly vacuum-sealed, it helps reduce excess air, package volume, and exposure to moisture, oxygen, insects, dust, external odors, and handling contamination.
Available in five sizes for approximately 4-6 kg, 10-15 kg, 16-20 kg, 21-25 kg, and 26-30 kg of green coffee, the GrainGuard coffee bean hermetic vacuum bag supports efficient stacking, clean presentation, and flexible warehouse or shipping applications. It can be used as a standalone inner package or combined with cartons for additional protection.
Factory-direct supply from Qingdao, China supports standard sizes, custom dimensions, printing, private-label projects, samples, and wholesale orders. Final capacity and dimensions may vary depending on bean density, vacuum level, sealing process, and packing conditions, so testing is recommended before bulk production.
Green coffee often moves through long storage and logistics chains before roasting. During that period, loosely packed beans can occupy unnecessary space and remain more exposed to the surrounding warehouse or transport environment. Conventional open or breathable packaging may also allow air and moisture movement, while unsuitable inner packages can absorb odors, collect dust, or present the product poorly to buyers.
The GrainGuard coffee bean hermetic vacuum bag is designed to create a more compact, closable package for coffee lots. Green coffee is filled into the bag, sufficient upper material is reserved for the sealing area, and compatible equipment is used to remove excess air before the top is continuously heat sealed. The resulting package is easier to organize and can reduce movement of the beans inside the bag during storage and handling.
Vacuum packaging reduces the amount of free air inside the closed package and limits exchange with the surrounding environment through the barrier film. This can help slow moisture and oxygen exposure, support retention of bean color and aroma, reduce access by insects, and create conditions less favorable to quality loss when the coffee is properly dried, clean, and stored under suitable conditions. The bag does not correct excessive initial moisture, contamination, poor warehouse hygiene, or unsuitable temperatures; performance depends on the commodity condition, film specification, vacuum level, seal integrity, handling, and storage environment. Vacuum-packed bags should be protected from hooks, sharp edges, excessive abrasion, crushing, and rough handling. For long-distance transport, GrainGuard recommends placing the sealed bags in appropriately sized cartons or another confirmed outer package so that the barrier bag is not relied upon as the only mechanical protection layer.
● Compact package profile: Air removal can reduce unnecessary volume around the beans, support more orderly stacking, and improve use of shelf, carton, and warehouse space.
● Barrier-focused material: The PE-based bag with a dedicated barrier layer is designed to reduce oxygen and moisture-vapor exchange after a continuous, intact heat seal is applied.
● Cleaner product presentation: The smooth, transparent package allows buyers to view the beans while maintaining a neat, professional format for storage, samples, customer programs, and shipment.
● Reduced internal movement: A correctly formed vacuum pack holds the beans more closely, which can limit shifting within the package during careful handling and transport.
● Five practical size options: Extra Small through Extra Large sizes cover reference capacities from approximately 4 kg to 30 kg, enabling buyers to separate lots by origin, grade, process, customer, or intended use.
● Support for quality preservation: By limiting external exposure, the closed package can help retain coffee color, aroma, appearance, and lot integrity during suitable storage and distribution programs.
● Stand-alone inner package: The bag can serve as the primary product-contact package and can be combined with a carton or other confirmed outer packaging for additional mechanical protection.
● Suitability for chemical-free programs: The hermetic barrier can support storage programs that aim to reduce reliance on chemical treatment, provided the commodity and warehouse procedures meet the buyer’s quality requirements.
● Customization for B2B supply: Custom dimensions, printing, private labels, carton packing, quantity programs, and export configurations can be developed for wholesalers and long-term buyers.
The coffee bean hermetic vacuum bag is suited to buyers that need compact, sealed packages for green coffee lots that are larger than typical sample bags but smaller than traditional export sacks or FIBCs. Its use should be based on the actual filling, vacuum, sealing, handling, and transport process.
1. Specialty coffee lots: Exporters, traders, and roasters can separate micro-lots, competition lots, certified coffees, and quality-sensitive batches in compact sealed packages.
2. Roaster inventory and production trials: Medium-size lots can be organized before sample roasting, profile development, blending, or limited production runs.
3. Importer and trader storage: Buyers can hold segregated green coffee lots in warehouses, sample rooms, or controlled inventory programs before resale or release.
4. Courier and consolidated shipment: Smaller vacuum-packed lots can be placed in protective cartons for customer dispatch, trial orders, or consolidated international shipments.
5. Retail and presentation programs: The clear, compact bag can support selected green-coffee retail, education, demonstration, or customer-presentation applications when labeling and local requirements are confirmed.
6. Organic and traceable coffee programs: The package can support clearly identified lots where buyers require clean separation, traceability information, and reduced exposure during storage and transport.
7. Compatible dry commodities: Cocoa beans, seeds, nuts, pulses, spices, and other dry agricultural products may be evaluated where product compatibility, density, vacuum behavior, and sealing procedures are confirmed.
The following data summarizes the reference GrainGuard vacuum bag range supplied in the provided product information. Final material declaration, dimensions, tolerances, printing, packing, and commercial terms should be confirmed in the approved quotation or technical data sheet before production.
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Item |
Specification |
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Product name |
Coffee Bean Hermetic Vacuum Bag |
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Brand |
GrainGuard |
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Product format |
Vacuum-ready hermetic bag with heat-sealed top |
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Primary application |
Compact storage and transport of green coffee and compatible dry commodities |
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Material |
High-strength PE-based material with barrier layer |
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Package appearance |
Transparent smooth-surface bag for product visibility |
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Available sizes |
Extra Small / Small / Medium / Large / Extra Large |
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Reference capacity range |
Approximately 4-30 kg, based on green coffee |
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Closure method |
Air removal using compatible equipment followed by continuous heat sealing |
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Outer protection |
Protective carton or other confirmed outer package recommended for transport |
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Suitable products |
Green coffee beans and compatible dry agricultural commodities |
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Customization |
Custom dimensions, printing, private label, labels, inner packing, and cartons |
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Supply model |
Factory-direct, sample, wholesale, OEM, and private-label supply |
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Place of manufacture |
Qingdao, China |
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Size |
Approx. Capacity |
Empty Size (L × W) |
Reference Filled Size |
Typical Use |
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Extra Small |
4-6 kg / 8.8-13.2 lb |
55 × 30 cm |
35 × 20 × 10 cm |
Compact specialty lots and trial programs |
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Small |
10-15 kg / 22-33.1 lb |
72 × 46 cm |
42 × 31 × 15 cm |
Small commercial lots and roaster inventory |
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Medium |
16-20 kg / 35.3-44.1 lb |
80 × 50 cm |
48 × 35 × 15 cm |
Medium segregated lots and warehouse programs |
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Large |
21-25 kg / 46.3-55.1 lb |
92 × 50 cm |
60 × 35 × 15 cm |
Larger specialty or customer-specific lots |
|
Extra Large |
26-30 kg / 57.3-66.1 lb |
104 × 50 cm |
72 × 35 × 15 cm |
High-capacity compact lots below standard export-sack size |
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Size |
Empty Dimensions |
Reference Filled Dimensions |
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|
Extra Small |
21.7 × 11.8 in |
13.8 × 7.9 × 3.9 in |
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Small |
28.3 × 18.1 in |
16.5 × 12.2 × 5.9 in |
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Medium |
31.5 × 19.7 in |
18.9 × 13.8 × 5.9 in |
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Large |
36.2 × 19.7 in |
23.6 × 13.8 × 5.9 in |
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Extra Large |
40.9 × 19.7 in |
28.3 × 13.8 × 5.9 in |
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Important: Capacities and filled dimensions are approximate and are based on green coffee. Results vary with bean density, fill weight, vacuum level, equipment, sealing allowance, and package shape. Complete a physical filling, vacuum, sealing, and carton-fit test before confirming a bulk order. |
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The correct coffee bean hermetic vacuum bag should be selected by reviewing the complete packing process rather than capacity alone. Buyers should confirm whether the package will be stored on shelves, packed into cartons, shipped individually, opened once, or used as part of a longer inventory program.
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Selection Factor |
Recommended Direction |
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Target net weight |
Choose a size that holds the coffee without overfilling and leaves sufficient upper material for air removal and a continuous heat seal. |
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Bean density and lot type |
Conduct a physical fill test when bean size, density, process, moisture level, or product type differs from the reference green-coffee data. |
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Vacuum equipment |
Confirm that the chamber, nozzle, or external vacuum system is compatible with the bag dimensions, film, opening, and required air-removal level. |
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Heat-sealing method |
Verify sealer width, temperature, dwell time, pressure, and operator procedure using production samples before bulk packing. |
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Outer packaging |
Use a correctly sized carton or other protective package when the sealed bag may face puncture, abrasion, compression, or rough transport conditions. |
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Storage period and route |
Longer storage, humid climates, repeated handling, and international transport require stronger attention to seal integrity, barrier selection, and warehouse control. |
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Presentation and labeling |
Confirm the required logo, lot information, origin, net weight, barcode, private-label artwork, or adhesive label before production. |
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Carton and stacking plan |
Evaluate the actual filled dimensions, carton count, pallet pattern, stacking height, and compression risk before shipment. |
Vacuum packaging requires more than selecting a bag by nominal weight. The material, dimensions, equipment compatibility, vacuum level, heat seal, carton fit, and handling method must work together. GrainGuard combines flexible-packaging manufacturing experience with size development, customization, quality inspection, and factory-direct B2B coordination for green coffee and other dry commodities.
● Established packaging experience: Operating under Syon Packaging Technology, GrainGuard is supported by more than 32 years of experience in flexible packaging production, including barrier film conversion and customized bag manufacturing for food and industrial applications.
● Multilayer manufacturing capability: The production platform includes 10-layer co-extrusion capability, supporting controlled film structures for barrier-focused packaging requirements.
● Factory-direct order coordination: Material preparation, printing, cutting, bag conversion, sealing-area preparation, inspection, packing, and export planning can be managed through the Qingdao factory.
● Five-size commercial range: The reference XS-to-XL program gives buyers a practical starting point for capacities from approximately 4 kg to 30 kg, with custom dimensions available for validated applications.
● Customization support: From standard sizes to private-label projects, GrainGuard supports custom bag dimensions, printing, labels, carton packing, and other packaging configurations for exporters, importers, roasters, and distributors.
● Practical quality confirmation: Each batch can be checked for material appearance, bag dimensions, workmanship, printing accuracy, sealing area, quantity, and packaging condition before shipment to support stable purchasing decisions.
● Flexible B2B supply: Product samples, trial programs, standard wholesale orders, repeat supply, and customized contract projects can be discussed according to technical and commercial requirements.
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