
Premium 25ml Three Side Seal Mask Sachet
Custom-manufactured flexible packaging for facial sheet masks and liquid cosmetic skincare essences. Constructed with 4-layer BOPET/AL/BOPET/IPE high-barrier composite laminate, it delivers outstanding light, oxygen and moisture resistance to maintain the activity and stability of mask serum.
This sachet supports matte iridescent laser finish, creating subtle low-glare holographic rainbow visual effect for premium cosmetic branding. The three-side-seal structure ensures neat sealing, good puncture resistance and clean presentation. Custom gravure printing and size adjustment are available to match brand packaging requirements.
Product Features

4-Layer BOPET/AL/BOPET/IPE High Barrier Laminate
Four-layer composite aluminium barrier film blocks light, oxygen and moisture effectively. It creates a stable protective environment, protecting mask serum from oxidation and ingredient degradation during storage and transit, preserving the efficacy of active skincare ingredients for a long shelf life.
Matte Iridescent Laser Surface Option
Optional matte iridescent laser finish delivers subtle holographic rainbow visual without harsh glare. The soft iridescent effect appears when light hits the pouch, adding luxury texture to packaging and elevating premium cosmetic brand look to stand out on retail shelves.


Reliable Three-side Seal Structure
Classic three-side seal construction features tidy, uniform sealing lines and great puncture resistance. The robust sealed edges prevent liquid leakage and bag breakage during filling, transport and handling, maintaining pouch integrity.
Customizable Printing & Specification
Supports custom gravure printing and size customization. We can adjust pouch dimensions, artwork, colour matching and surface treatments, flexible to match brand artwork and formula demands for exclusive cosmetic packaging solutions.

Application Scenarios

Stable Storage & Transit
25ml three side seal mask sachet with 4-layer high-barrier laminate. Reliable protection for mask serum during long-distance shipping and warehousing, prevents ingredient deterioration.

Premium Retail Display
Optional matte iridescent laser surface creates distinctive holographic visual effect. Attractive shelf presentation helps cosmetic brands gain better product exposure and competitive edge.

Compatible with Filling Lines
Well-proportioned three-side seal pouch with uniform sealing performance. Fits high-speed automatic filling machines, stable processing, low bag breakage rate for mass cosmetic production.

Ready for Daily Skin Care Use
Lightweight portable mask pouch for end-users. Tight sealed edge keeps serum fresh, convenient for daily facial care and travel skincare routine.
Strong Manufacturing Capacity & Full Line Workshops

Blown‑Film Workshop
Housed in our professional blown‑film production workshop, high‑end multi‑layer co‑extrusion extruders enable us to independently fabricate PE films with uniform gauge and exceptional water‑vapor‑oxygen barrier capability. Every production phase undergoes stringent on‑line monitoring, establishing robust quality assurance upstream for your completed flexible pouches.
Printing Workshop
Our printing workshop is equipped with 9 high‑speed gravure printing machines. Advanced printing hardware delivers high‑definition, colour‑accurate reproduction of your brand artwork and logos. The whole printing area follows strict dust‑proof management standards to avoid print defects, providing high‑quality printed rolls for subsequent processing.


Lamination Workshop
We own a total of 12 high‑speed laminators, including 4 solvent‑free laminators and 8 dry laminators. Located inside our 100,000‑class dust‑free purification workshop, all composite production is carried out under controlled‑environment conditions. Precise parameter monitoring ensures bubble‑free, firmly‑bonded composite films that fully comply with international food‑contact safety standards.
Pouch‑Making Workshop
The fully‑automatic pouch‑making production lines are able to fabricate diverse flat‑bottom pouches and special‑shaped cat‑ear top pouches. Precision heat‑sealing technology guarantees strong, leak‑proof seal edges. Every finished pouch goes through rigorous quality checks before delivery, delivering reliable flexible‑packaging products for global pet‑food brands.

Smart Digital Driven Production Facility

Our intelligent digital central-control platform enables real-time monitoring across four core workshops: film blowing, gravure printing, lamination and pouch conversion. Production parameters, equipment operational status and quality inspection data are fully visualized on a unified central dashboard. This end-to-end digital management system minimizes manual errors, elevates production efficiency, and guarantees consistent high quality for every batch of flexible packaging products.



One‑Stop Flexible Packaging Manufacturer From China
Send your inquiry about custom flexible packaging solutions to us.
We provide high‑quality food‑grade pouch packaging for pet food, cosmetics, daily‑care and food brands worldwide.
With our FDA, BRC and FSSC22000 certified packaging, you can elevate your products, captivate your customers, and unlock new opportunities for growth and success for your brand.
FAQ
Q: What is your daily production capacity?
A: We have a large-scale production base with over 500 employees, capable of producing 40 million bags per day, plus 50 tons of roll film. This ensures stable supply even for large-volume orders.
Q: What quality tests do you perform?
A: We conduct rigorous in-house tests including puncture resistance, leak testing, seal strength evaluation, and barrier performance checks. Test reports can be provided upon request.
Q: How are the bags packed for shipment?
A: Finished bags are packed in sturdy export cartons, with quantities per carton customizable based on bag size and customer preference to optimize shipping and storage.
Q: How long has Secia Pack been in the packaging industry?
A: Secia Pack was established in 2006, with 20 years of experience specializing in aluminum foil-plastic pouches and roll stocks. We have a 20-member R&D team and an in-house high-level purification lab.
Q: Do you offer eco-friendly / recyclable options?
A: Yes. We provide fully recyclable mono-material structures for brands pursuing sustainability. These options reduce environmental impact while maintaining the required barrier and durability performance.
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