Three Side Seal Pouches
Save space by ordering three-side seal pouches for your brand. These bags have only one side open for product filling, while the remaining sides are sealed off. They are shipped flat, which makes them a convenient and affordable option. You can use them in a variety of industries for purposes like food or medicine sampling because of their versatile structure. MylarBagsMaker UK is the top wholesale supplier of custom 3-side seal pouches in the UK. We offer unlimited design options with expert assistance for customised packaging that can help you stand out in the market. Diverse add-ons are also available at our company. Order in bulk if you want to get high discounts. Request a quote today to book your order now!
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Many businesses prefer flat pouches for their dry and wet products. Three-side seal pouches are flat in shape to consume less space. They are commonly used to protect wet and dry products and increase their shelf life. Consumers want simple packaging to carry their products. Three-side seal pouches are the best solution to keep food fresh for the long haul. If you want to deliver your product in simple, slim packaging, the 3-side seal pouches are one of the best options.
Three-Side Seal Pouches for Smart Packaging Solution
If you are looking for packaging for food and beverages, three-side seal pouches are a cost-saving solution for food protection. They maximize the interior space compared to the total package dimensions. Three-side seal pouches are an exceptionally reliable choice for barrier protection of liquid and dry products.
They maximize shelf life and product safety with specialized multilayer laminates to block specific threats. Due to their lightweight nature, they also reduce the shipping cost on wholesale orders. We provide consumer-friendly enhancements with zippers and laser tear notches. You can customize them according to your product requirements. Moreover, our three side seal pouches wholesale offer durability and Cost Efficiency
Core Material for Better Protection and Durability
For printed three-side seal pouches, choosing the right material structure is the foundation of your visual branding. They provide a large uniform front and back billboard space that maximizes shelf visibility. We use materials according to their layers:
Outer layer material:
- PET polyester film for vibrant branding
- BOPP for tactile variety
- Kraft paper for eco-conscious branding
Barrier Layer for Brand Trust:
- Aluminum foil for long shelf life
- Nylon PA for puncture resistance during shipping.
Material Combinations For Different Uses
| Brand Aesthetic | Structure | Best For |
|---|---|---|
| Vibrant | PET polyester | Snacks, cosmetics |
| Premium Matte | Matt BOPP | Coffee, premium powders |
| Earthy | Kraft Paper / PET | Organic food, handmade items |
| High-End Luxury Shield | PET / Aluminum Foil | Medical, moist food |
Standard Three-Side Seal Pouch Sizes for Different Needs
Three-side seal pouches do not come in a single standard size because they are highly customizable. We provide full customization of pouches based on weight and capacity. They are completely flat and lack side or bottom gussets. Their actual fillable volume is smaller than the external dimensions. So you can check the size according to the capacity of three-side-seal pouches.
| Dimensions | Capacity Range | Use For |
|---|---|---|
| 6 × 9 cm | 1g – 5g | Cosmetic samples, hotel amenities, seeds. |
| 9 × 13 cm | 10g – 50g | Single-serve tea bags, seasoning packets. |
| 12 × 17 cm | 50g – 150g | Snack packs, nuts, facial masks. |
| 15 × 21 cm | 200g – 250g | Retort food pouches, baking mixes, bath salts. |
| 20 × 30 cm | 500g – 1kg | Pet food treats, bulk grains, medical kits. |
Printing and Finishing Features for Unique Branding
We provide versatile three-side seal pouch visual finishes. Our functional barrier properties protect the product inside. You can select the suitable finishes for visual appeal with functional durability against moisture. With us, you will get finishing options:
Protective food-safe linings:
- Moisture barrier coating
- Wax or parchment paper liners
Outer Surface Coating and Laminations:
- Gloss Finish
- Matte Finish
- Soft Touch Lamination
- Spot UV
- Foil Stamping
- Embossing / Debossing
We use premium finishes to develop your custom pouches that grab a huge audience!
Printing Methods:
The seal pouches directly handle oxygen and moisture; choosing the right printing method depends on design complexity. We also provide affordable methods for Flat Bottom Pouches:
| Printing Method | Best Used For |
|---|---|
| Digital Printing | Small-to-medium runs, complex designs |
| Offset Printing | High-volume wholesale orders for uniform colour |
| Flexography (Flexo) | Large wholesale production with simple layouts |
| Screen Printing | Bold logos, specialized effects, tactile finishes |
Why Us for Three-Side Seal Pouches Wholesale?
Choosing us for your three-side seal pouches gives your business a premium serving solution. We at Mylarbagsmaker UK use food-safe paperboard to keep items securely in place. Our production pipeline helps multiple industries to balance operational efficiency with brand presentation.
- Cost-Efficient Customization
- Eco-Friendly Materials
- High-Impact Custom Printing
- 3D mockup Samples
- Fast turnaround time.
- 24/7 customer support
If you are ready to purchase, contact us at Mylarbagsmaker for custom-printed three-side pouches at wholesale rates.
| Dimension (L + W + H) | All Custom Sizes & Unique Shapes |
|---|---|
| Quantities | Minimum Order Quantity is 500 Pieces |
| Paper Stock | BoPET (biaxially-oriented polyethylene terephthalate) film, 89 µ to 178 µ (or 3.5 mils up to 7 mils) |
| 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, Scored, Perforation |
| Additional Options | Zipper, Hanging holes, Tear Notch, stand-up feature, child-resistant lock |
| Proof | Flat View, 3D Mock-up, Physical Sampling (On request) |
| Turnaround | 14-22 Business Days |
| Shipping | FLAT |
Our Popular Sizes
| Weight (Metric) | Weight (Imperial) | Bag Size (Inches) |
|---|---|---|
| 1 Gram | 0.035 oz | 3×4 |
| 3.5 Grams | 1/8 oz | 3.5×5 |
| 7 Grams | 1/4 oz | 4×6 |
| 14 Grams | 1/2 oz | 5×8 |
| 28 Grams | 1 oz | 6×9 |
| ∼113 Grams | 1/4 Pound | 8×10 |
| ∼227 Grams | 1/2 Pound | 10×12 |
| ∼454 Grams | 1 Pound | 13×15 |
Custom Designs And Premium Quality MylarBagsMaker
BoPET (Biaxially Oriented Polyethylene Terephthalate)
→ The main “Mylar” material, strong, flexible, and moisture-resistant
PET (Polyester Film)
→ Provides strength and durability
Aluminum Foil (AL)
→ Blocks light, oxygen, and moisture
PE (Polyethylene)
→ Inner layer used for sealing and food safety
CPP (Cast Polypropylene)
→ Heat-resistant and good for sealing
Nylon (PA)
→ Adds extra strength and puncture resistance
Kraft Paper
→ For eco-friendly, natural look (kraft + Mylar inside)
Water-Based Inks
→ Eco-friendly and low in chemicals → Low odor and safer for food packaging → Good print quality → Less durable than solvent inks on plastic
Soy / Vegetable-Based Inks
→ Made from natural oils (soy, vegetable) → Environmentally friendly option → Bright and rich colors → Easier to recycle packaging → Slightly slower drying time
Pantone Inks
→ Uses standardized color system (PMS) → Ensures exact color matching → Best for brand consistency → Ideal for logos and specific brand colors
Pantone Metallic Inks
→ Metallic colors like gold, silver, bronze → Premium and shiny appearance → Enhances luxury packaging look → Used for high-end branding
Digital Printing
→ Best for small orders → No printing plates required → Fast turnaround time → Good for custom designs & multiple variations
Rotogravure Printing
→ Best for high-quality bulk production → Excellent color depth and detail → Ideal for large quantities → Higher setup cost but cheaper per unit in bulk
Flexographic Printing
→ Suitable for medium to large orders → Cost-effective option → Good for simple designs and fewer colors
Screen Printing
→ Used for basic designs or logos → Best for limited color printing → Not ideal for complex graphics
Offset Printing (for laminated films)
→ High-quality printing → Used in premium packaging → Works well with detailed artwork
Matte Finish
→ Most popular, gives a clean and premium look
Gloss Finish
→ Shiny and bright, makes colors stand out
Spot UV
→ Highlights logo or design with a shiny effect (very popular)
Anti-Scratch Coating
→ Protects the surface from scratches
Foil Stamping (Gold/Silver)
→ Adds a luxury metallic look
Holographic Effect
→ Trendy, eye-catching rainbow shine
Zipper Closure
→ Resealable and keeps products fresh
Tear Notch
→ Easy to open for customers
Hang Hole (Euro Hole)
→ For retail display
Bottom Gusset
→ Helps the bag stand and adds space
Rounded Corners
→ Safe and smooth edges
Tamper-Evident Seal
→ Ensures product safety
Spout / Nozzle
→ For liquids or powders
Tin Tie Closure
→ Resealable fold-over closure
Embossing
→ Raised design or logo
Debossing
→ Pressed (sunken) design effect
Clear Window
→ Shows product inside
Frosted Window
→ Semi-transparent premium look
Degassing Valve (Standard)
→ Used for coffee bags to release gas but does not allow air inside → Made from plastic (PE, PP, silicone parts) → Not biodegradable → Must be removed before recycling
Degassing Valve (Compostable )
→ Used for coffee bags to release gas but does not allow air inside → Made from biopolymers / compostable materials → Breaks down in composting conditions → Eco-friendly alternative
What Our Clients Say
Trusted by thousands of businesses worldwide for premium mylar bag packaging
"I have been getting my Mylar bag from Mylar Bags Maker for more than 2 years. The quality is always exceptional with the best rates in the market."
"Mylar Bags Maker is my long-term partner for custom poly mailers. I always get impeccable designs and the fastest shipping in UK."
"I just got die-cut mylar bags from Mylar Bags Maker, and I am fully satisfied with the design and quality. The best packaging I ever had!"
"Just received my custom holographic mylar bags from Mylar Bags Maker. Fully satisfied with the quality and prices! "
"Mylar Bags Maker has always mesmerised us with their top-notch quality and limitless design investing, 100 % satisfied!"
"Mylar Bags Makers has the best turnaround time. I ordered five days ago, and today received high-quality bags."
Questions about Mylar Bags Maker
Find clear answers about custom mylar bags, printing, turnaround times, and everything else you need before placing your order.
We offer a minimum of 100 units for custom pouches with 3D mockup samples. You can increase the quantity in order to save more on your purchase.
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