When you’re selling small portions, every detail matters — freshness, look, security, and the feel of the packaging in someone’s hand. That’s why so many UK brands move their 3.5g products into custom Mylar bags. They’re compact, lightweight, and built to protect aromas and texture. At Healey Packaging, we make them feel premium without turning them into complicated or expensive packaging.
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Brands choose 3.5g Mylar bags because the format fits everything from herbal blends to confectionery samples. It’s a portion size that customers recognise instantly. But the packaging has to do more than hold a small amount; it has to protect it from air, moisture, and light while keeping compliance and branding in place. That balance is exactly what these bags are made for.
Every custom 3.5g Mylar bag uses aluminium or high-grade polyester films known for their tight barrier. It helps maintain flavour, colour, and aroma. Whether you’re selling wellness blends or resin-rich products, the barrier prevents oxidation and keeps moisture out. This is especially important for retailers who stock pre-packed items for longer stretches.
You can choose from double-seal, zip-seal, or heat-seal mylar style depending on how you want the customer to open the pack. Some clients prefer a tamper-evident top that can be sealed in seconds with any handheld sealer. Others add a zip so the bag stays functional after the first opening. Either way, the structure supports odour control — something most 3.5g products absolutely require.
Many buyers decide within seconds whether a product feels “premium” or “cheap.” That’s why we give so much space to custom print work.
We support full-colour artwork, metallic accents, and even minimal label-style branding for brands that want a more understated look. Some clients go for bold; high-contrast designs similar to exotic Mylar bags 3.5 formats. Others prefer a simpler layout that still carries their story.
We can also add gloss, matte, soft-touch, spot shine, or clear windows. A window works well if you want to show customers the product without breaking the seal.
The usual 3.5g Mylar bag size lands around:
The structure remains strong even in compact forms, giving your product presence without unnecessary bulk.
Retailers handling cookies mylar bags 3.5, exotic blends, or limited edition mixes often add these features for compliance or convenience.
Every bag is made from films that pass UK and EU food-contact rules. The laminate stops contamination and leakage, even when stored in warm stock rooms. If your team handles products such as wellness blends, supplements, or food samples, these controls matter.
The darker the film, the better the protection against UV and aroma escape. Many clients choose matte black or holographic films for this reason, especially when packaging strong-scented items.
Some brands want the full metallic barrier. Others are shifting towards recyclable films or reduced-plastic laminates. We can tailor both routes depending on how strict your sustainability goals are. These versions still seal, store, and protect just as effectively.
You share your sizing, artwork, and preferred finishes. We prepare a proof, finalise the structure, then print using your chosen method. Every production run goes through a quality check for seal integrity and print clarity. Orders ship across the UK with predictable lead times, even during seasonal peaks.
Healey Packaging has supported UK brands with millions of units produced across Mylar, pouches, and flexible formats. We understand the pitfalls: weak seals, dull colours, artwork shifts, poor odour control. Our job is to prevent all of that before it lands on your shelf.
Can you match the exact 3.5g mylar bag size I already use?
Yes, just send the measurements or a sample and we’ll match it.
Do you print exotic-style artwork?
We do. Full-colour, holographic, or minimal designs — whatever suits the brand.
What is the minimum order for custom prints?
Most clients start at 500 units, though plain versions can be smaller.
Are the bags heat-sealable?
Yes, they work with standard heat sealers used in retail and production units.
Can you add child-resistant features?
Yes, we can apply CR elements on request.
| Dimension (L + W + H) | All Custom Sizes & Shapes |
|---|---|
| Quantities | No Minimum Order Required |
| Paper Stock | 210gsm, 250gsm, 280gsm, 300gsm, 350gsm, 420gsm, 460gsm, 500gsm, Bleach Card (SBS), Eco-Friendly Kraft, E-flute Corrugated, Bux Board, etc. |
| Printing | No Printing, CMYK, CMYK + 1 PMS color, CMYK + 2 PMS colors |
| Finishing | Gloss Lamination, Matte Lamination, Gloss AQ, Gloss UV, Matte UV, Spot UV, Embossing, Foiling |
| Included Options | Die Cutting, Gluing, Scoring, Perforation |
| Additional Options | Eco-Friendly, Recycled Boxes, Biodegradable |
| Proof | Flat View, 3D Mock-up, Physical Sampling (On request) |
| Turnaround | 7 – 10 Business Days, RUSH |
| Shipping | FLAT |
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Mix and match materials, printing methods, inks, finishes, and add-ons.
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