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A valve bag made from aluminum foil laminated film, available in 100ml–5L capacities. Leak-resistant and pressure-tolerant, it suits juice drinks, purified water and other liquid food packaging, with custom bag shapes and sizes available.
| Structure | Stand-up valve bag (three-side or four-side seal), with welded valve or spout |
|---|---|
| Volume | 100ml–5L; 1.5L and 3kg are commonly used sizes |
| Material | Aluminum foil laminated film (PET/AL/NY/PE combinations) |
| Applications | Juice drinks, purified water, jams, sauces, concentrates and other liquids |
| Printing | 1-8 colour gravure printing |
| MOQ | 10,000 pcs |
| Origin | Dongguan, Guangdong |
The valve bag is a stand-up format for liquid flexible packaging, sealed on three or four sides. Edge seals are flat and firmly heat-sealed, so the pouch stays upright and resists collapse. A welded plastic valve or spout can be fitted at the top, giving smooth dispensing while staying closed against drips, and the bag holds up under repeated squeezing. It suits drinks and liquid foods that need controlled pouring and lower contamination risk. Valve diameter, valve position and bag shape can all be matched to your filling equipment.
The pouch is typically built from aluminum foil laminated with PET, NY and PE films. The foil layer blocks light and improves barrier performance, while the food-grade inner layer provides heat-seal strength, pressure resistance and puncture resistance. Printing uses 1-8 colour gravure printing, covering full-colour backgrounds, gradients and spot colours with clear detail and stable ink adhesion, plus matte or gloss finishes. Standard capacities run from 100ml to 5L, with 1.5L and 3kg among the common sizes. Matching roll film in the same material is also available.
Typical applications include juice drinks, purified water, jams, sauces, concentrates and liquid household products, serving supermarkets, catering, chain stores and factory filling lines. For customisation, send us a sample, artwork or specification; we confirm the material structure and print file, produce a sample for approval, then move to bulk production. Our factory is in Dongguan, Guangdong, with a Class 10000 clean workshop covering lamination, printing and bag making in house. MOQ is 10,000 pcs, with production and shipment scheduled against confirmed orders.
Updated: 2026-10-03
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Tell us what you need and we will come back to you during working hours with material and process advice.