YL150B Liquid Vertical Packaging Machine
3 Side Seal Bag Packaging
What is a 3 Side Seal Bag?
A 3 side seal bag is a flat pouch sealed on three sides, leaving one side open for filling. After the product is inserted, the final side is sealed, creating a compact and secure package.
This bag type is widely used in the food, pharmaceutical, and chemical industries for its strong sealing performance and cost-effective structure.
Why Choose 3 Side Seal Bag Packaging?
Excellent sealing strength → ensures product safety and extended shelf life
Material efficiency → requires less film compared to stand-up pouches
Simple and compact design → suitable for flat products and single servings
Versatile usage → works with powders, granules, liquids, and solid items
Cost-effective → lower production and packaging costs
Typical Applications of 3 Side Seal Bag
Food & Snacks: dried fruits, nuts, candies, frozen products
Powders: coffee powder, spices, protein powder
Pharmaceuticals: tablets, powders, medical supplies
Daily Chemicals: detergents, personal care items
Industrial Products: small spare parts, hardware, desiccants
How 3 Side Seal Bag Enhances Market Appeal
Flat and compact form → ideal for single-use or sample packs
Large printable surface → excellent branding opportunities
Customizable finishes → matte, glossy, clear windows, or metallic films
Consumer convenience → optional tear notches, zippers, and hang holes
FAQ About 3 Side Seal Bag Packaging
Q1: What products are best suited for 3 side seal bags?
3 side seal bags are commonly used for powders, dried fruits, tablets, condiments, and single-serve sample packs.
Q2: Can 3 side seal bags be customized with zippers or hang holes?
Yes. Soontrue supports multiple add-ons such as zippers, hang holes, chain packs, and tear notches for improved retail convenience.
Q3: What machine types are available for 3 side seal bag production?
Soontrue offers vertical form-fill-seal machines, premade pouch machines, multi-lane sachet machines, and single-lane sachet machines, covering both high-speed mass production and small-batch needs.