Explore our top-tier precision-engineered flexible barrier pouches, labels, and custom coffee & weed bag solutions.
Analyzing market dynamics, legal barrier requirements, and high-volume supply chain solutions across North America, Europe, and emerging legal markets.
The 3.5g (1/8 oz) pouch has emerged as the global benchmark SKU unit for retail cannabis flower and botanical herbs. B2B buyers require exact volumetric accuracy, standardized dimensions (typically 3.625" x 5" x 1.5" or 4" x 6" x 2"), and consistent thermal seal margins to integrate seamlessly with automated filling lines and retail display systems.
Compliance is paramount. Multi-jurisdictional standards (including US CPSC 16 CFR § 1700.20, ASTM D3475, and ISO 8317) demand robust Child-Resistant closures such as single-finger pinch-and-slide zippers, dual-push locks, and concealed re-sealable barriers to safeguard end consumers while remaining senior-friendly.
Volatile organic compounds (VOCs) and delicate terpene profiles degrade rapidly under sub-optimal packaging conditions. Premium 3.5 Mylar pouches leverage ultra-low Moisture Vapor Transmission Rates (MVTR) and Oxygen Transmission Rates (OTR) utilizing advanced metallic laminates (VMPET/AL) or high-barrier mono-PE materials.
Choosing the correct polymer matrix is vital for shelf-life expansion, structural durability, UV barrier shielding, and sustainability compliance.
| Material Structure | Barrier Level | Key Properties & Applications | Sustainability Index |
|---|---|---|---|
| PET / AL / PE (Foil Laminate) |
Ultra-High (Zero Light/Gas) | Maximum protection against UV degradation, oxygen ingress, and humidity. Ideal for long-term flower storage. | Conventional / Non-Recyclable |
| Soft-Touch Matte / VMPET / PE | High Barrier | Premium tactile feel, photorealistic color reproduction via digital/rotogravure printing, excellent scent retention. | Standard Recyclability Options |
| Mono-PE High Barrier (MDO-PE / EVOH-PE) |
High to Medium-High | Fully recyclable (Code 4 stream). Engineered for EU Packaging Directive & US How2Recycle compliance. | 100% Recyclable |
| Kraft Paper / PLA / PBAT | Medium Barrier | Industrial/Home compostable packaging. Organic natural aesthetic combined with bio-based oxygen barriers. | 100% Biodegradable & Compostable |
We provide advanced tactile and visual enhancements: Spot UV, Soft-Touch Rubberized Matte, Holographic Foiling, Metallic Cold Foil Stamping, and High-Gloss Accents for shelf-standing visual impact.
Our factory manufactures push-and-turn, pinch-to-open, and slide-lock zipper mechanisms verified under ASTM D3475 testing to ensure zero adult friction with total child safety compliance.
Custom direct-view transparent windows, custom die-cut pouch shapes (e.g., custom strain silhouettes), and tear-notches with clean heat-seal edges engineered for high-speed filling lines.
Combining decade-long manufacturing expertise with internationally certified cleanroom environments and digital print innovation.
Founded in 2011, YPAK operates three facilities across Hong Kong, Dongguan, and Foshan, emerging as one of China’s leading specialty packaging manufacturers. Our Foshan and Dongguan plants are BRCGS Food Safety and ISO 22000:2018 certified—ensuring every pouch meets rigorous global food contact and barrier standards with full batch traceability.
We fit Swiss WIPF one-way valves as standard for degassing requirements while engineering ultra-sealed Mylar 3.5g pouches for odor control. Our HP Indigo 25K digital press enables MOQ-free, plate-free production runs with photorealistic print quality—perfect for limited editions, brand rollouts, and multi-strain SKUs.
With a 99.5% on-time delivery rate, we keep your production lines moving seamlessly. Our recyclable and compostable pouches help you stay ahead of plastic regulations in the EU, UK, and North America—without compromising barrier performance.
A continuous commitment to expanding manufacturing capabilities, solvent-free lamination, and digital transformation.
In May 2012, the first complete flexible packaging production line was established, establishing high-precision pouch conversion foundations.
In March 2016, began to produce flat bottom bags, scaling modern box pouch technology and enhanced self-standing stability.
In August 2017, the second production line was established to meet expanding global B2B procurement demands.
April 2018, using solvent-free composite technology. Enhanced food safety ratings and eliminated volatile organic compound residues.
In June 2020, the automatic ink adjustment system was introduced, guaranteeing precise PMS spot color matching across large runs.
In July 2020, the ERP production system was introduced for end-to-end material tracking, real-time lead time monitoring, and QA logging.
In October 2021, HP INDIGO 25K digital printing machine was introduced, unlocking variable data printing, plate-free short runs, and instant custom pouch proofs.
Eliminating guesswork in overseas procurement through real-time online video verification and total quality transparency.
Pre-sales service: Improve customer experience through online video confirmation. One of the keys to meeting customer needs is to provide excellent pre-sales service, which helps to build a solid foundation for long-term relationships. We provide one-on-one service to ensure accurate and efficient communication.
Traditionally, pre-sales service involves assisting customers in selecting the correct product or service, understanding its features, and resolving any issues. However, this process is often time-consuming and presents challenges in confirming details. With online video confirmation, businesses can now take the guesswork out of it and take it one step further to provide customers with personal attention.
We provide exceptional mid-sale service. It is an essential step that ensures a seamless transition from the initial sale to the final delivery.
Mid-sale service is maintaining control over the production process. This involves closely monitoring and managing each stage of production to ensure quality and timely delivery. We will send videos and pictures during manufacturing, which can help customers visualize the product they have purchased prior to shipment.
We provide excellent after-sales service that not only ensures customer satisfaction, but also enhances the long-term partnership with customers, leading to repeat business and positive word-of-mouth recommendations.
By investing in training programs and establishing effective feedback channels, YPAK continuously improves after-sales support, quality guarantees, and supply chain logistics to guarantee long-term success in competitive global markets.
Seamless B2B customs clearance, DDP shipping pathways, and international certificate assurance.
All child-resistant 3.5g bags meet 16 CFR § 1700.20 standards. We provide third-party laboratory test protocols for US state compliance audits (California Prop 64, Colorado MED, Oregon OLCC, Canada Cannabis Act).
We provide full Delivered Duty Paid (DDP) door-to-door delivery across North America, Europe, Australia, and the UK, handling import tariffs, customs clearing, and localized warehouse fulfillment.
Operating under BRCGS Food Safety guidelines, every production batch includes digital tracking for film lot laminations, seal tensile strength tests, and residual solvent gas chromatography reports.
Key technical answers for brand owners, master growers, multi-state operators (MSOs), and packaging distributors.
The standard dimensions for a 3.5g pouch are typically 3.625" x 5" + 1.5" bottom gusset (approx. 92mm x 127mm + 38mm) or 4" x 6" + 2" bottom gusset. Dimensions can be tailored based on flower density, custom shape outlines, or whether internal oxygen absorber packets are integrated.
We utilize multi-layer composite laminations combining PET, VMPET, Aluminum Foil, and heavy-duty Polyethylene (PE) sealant layers. Solvent-free lamination guarantees zero off-gassing chemical smells, maintaining terpene aroma within the bag while blocking oxygen and moisture vapor ingress (MVTR < 0.1 g/m²/24h).
Thanks to our HP Indigo 25K digital printing technology, we offer plate-free custom printed runs with 0 MOQ constraints for short-run testing or multi-strain SKU rollouts. For large-scale gravure printing runs, MOQs start around 10,000 pieces per design with lower unit costs.
Yes. Our CR pouches feature certified pinch-and-slide or press-to-close locking zipper mechanisms verified under ASTM D3475 and CPSC 16 CFR § 1700.20 standards. Official lab test compliance certificates can be provided upon request for state compliance auditing.
Absolutely. YPAK manufactures Mono-PE 100% recyclable pouches (suitable for Store Drop-Off recycling programs) as well as Kraft Paper / PLA bio-compostable barrier pouches certified to industrial and home composting standards without compromising shelf life.
We offer Soft-Touch Velvet Matte, High-Gloss, Spot UV, Metallic Foil Stamping (Gold, Silver, Rose Gold, Laser Holographic), Embossing, Clear Windows, and 3D UV Raised Transfer Stickers for maximum brand differentiation.
Discover our full suite of barrier pouches, aluminum bags, and custom brand stickers.
YPAK PACKAGING
