1L Milk Liquid Pouch Bags (Four-Side Seal with Spout)
1L milk liquid pouch bags with a four-side seal with spout structure, suitable for milk and other liquid packaging. Custom sizes and layouts are available, using food-grade materials.
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This product is a 1L liquid pouch bag for milk, with four-side seal with spout as the core technical variant. The four-side seal structure with a spout is suitable for liquid packaging scenarios such as milk and clearly differentiates this product from same-size, same-use products with different seal or opening formats.
Common composite materials include PET/AL/PE, PET/NY/PE, PET/VMPET/PE, PET/PE, PA/PE, PET/AL/NY/PE, kraft paper/PE, and PET/VMPET/NY/PE, with a thickness of 15–25 silk (multi-layer lamination). Materials are food-grade, and material certificates can be provided upon customer request.
Printing can use 1–8 color gravure printing. The production process is gravure printing → lamination → slitting → bag making → heat sealing. The product is manufactured in a 10000-class cleanroom in Dongguan, Guangdong, with an MOQ of 10,000 pcs.
Customization services include sample/artwork proofing and custom sizes and layouts according to customer requirements. The 1L capacity combined with the four-side seal with spout structure serves milk and other liquid packaging needs, allowing customers to adapt sizes and artwork to their product positioning.
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