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Branded Envelopes​

Branded envelopes serve as a powerful extension of your business identity, turning ordinary mail into a polished representation of your brand. At The Product Boxes UK, we specialise in producing premium custom envelopes that enhance professionalism and make every communication feel intentional and refined. Our custom printed envelopes are made from a curated selection of high-quality paper stocks to elevate print quality and offer a memorable tactile experience. With GSM options ranging from lightweight everyday grades to thick, luxury-level stocks, every business can choose the perfect thickness for durability and presentation.

We use advanced CMYK printing to ensure your logos and artwork appear vibrant, clean, and smear-free. A wide choice of flap styles and UK-standard sizes ensures suitability for everything from letters to marketing kits. For companies needing large quantities, we offer unbeatable wholesale pricing, fast turnaround, and free UK-wide delivery, providing a convenient and cost-effective solution for all your branded mailing needs.

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Get Premium Branded Envelopes to Elevate Your Business Identity

Envelopes are more than packaging, they are the first handshake of your brand. Every document, letter, invoice, invitation, or marketing mail you send represents your business before it’s even opened. High-quality envelopes communicate trust, professionalism, and attention to detail.

Whether you’re a startup looking to build credibility or an established brand aiming to enhance your corporate presence, custom printed envelopes help you deliver your message with style, precision, and impact. The Product Boxes UK specialise in crafting high-quality, custom printed envelopes that transform everyday mailing into a powerful branding opportunity.

Experience Premium Quality with Our High-End Envelopes

Our envelopes are designed to impress instantly. With cutting-edge printing and carefully selected materials, we ensure your envelopes look sharp, feel luxurious, and leave a long-lasting impression on clients, partners, and customers.

We craft them by using a variety of premium paper stocks, each selected to enhance presentation and elevate your brand identity. We offer Premium White stock for an ultra-clean, crisp, and corporate-perfect look, while our Textured Paper adds depth and richness for luxury mailers. For eco-conscious brands, Kraft Paper provides a natural and sustainable appeal. If you prefer vibrant, colourful promotion, our Bright Wove Paper ensures smoothness and high print clarity. For a refined, executive feel, our Linen Finish offers a subtle woven texture ideal for elite corporate communication, whereas the Silk Smooth Stock provides a soft, velvety touch perfect for high-value and premium mail. 

Multiple GSM Options Are Available for Every Use

A great envelope is not just about appearance, the right GSM defines strength, rigidity, and performance. That’s why we offer a wide range from 90 GSM to 180 GSM, custom-matched to your application.

Our GSM Options and Their Ideal Uses:

90–100 GSM: Perfect for everyday mailing, invoices, statements, and office communication.

110–120 GSM: Ideal for branded correspondence, marketing material, and corporate letters.

130–150 GSM: Great for invitations, promotional mailers, and brand-intense communication.

160–180 GSM: Highly rigid and luxurious, recommended for VIP invites, high-end branding, certificates, and corporate gifting.

High-Impact Custom Printed Envelopes With Logo Make Your Brand Impossible to Ignore

Your branded envelopes UK acts as your brand ambassador. That’s why we offer crystal-clear, full-colour printing designed to make your logo and branding pop.

Our Printing Ensures:

  • Full Colour CMYK Printing
  • Sharp, High-Resolution Output
  • Ink-Safe Technology
  • Bleed-Resistant Prints
  • Smudge-Proof 
  • Scratch-Proof Logo Clarity
  • Edge-to-Edge Printing Options

From minimalist designs to bold, vibrant layouts, we guarantee print accuracy that enhances brand recognition and reinforces your corporate identity.

Now Upgrade to Luxury  With Personalised Corporate Envelope Finishes 

If you want your envelopes to stand out even more, choose from our exclusive finishing upgrades that add depth, elegance, and a premium tactile experience.

Premium Options Include:

  • Embossing
  • Debossing 
  • Metallic Ink Printing
  • Foil Stamping (Gold, Silver, Rose Gold, Holographic, Black Foil)
  • Window & Non-Window Options
  • Spot UV Gloss on Logos or Patterns
  • Soft Touch Lamination
  • Branded Padded Envelopes
  • Custom Inner Printing (Patterns, Graphics, Brand Colours)
  • Perforation Options
  • Security Tint Printing for Confidential Mail

These finishing choices make your envelopes instantly recognisable and luxurious — perfect for marketing campaigns, corporate communication, and high-end stationery kits.

Order Custom Size Envelopes And Multiple Flap Shapes To Make More Stylish 

Your envelope’s shape and size should match your mailing purpose and brand personality. We offer a full range of flap designs and UK-standard sizes.

Flap Shapes Include:

  • V-Flap
  • Straight Flap
  • Curved Flap
  • Square Flap
  • Pointed Flap
  • Banker-Style Flap (added for premium corporate use)

Our envelopes are available in all major UK sizes to match every business and mailing requirement. DL envelopes are perfect for letters, invoices, and tri-folded A4 documents commonly used for corporate communication. C5 envelopes are ideal for sending half-folded A4 sheets, brochures, and medium-sized marketing materials. For smaller items, C6 envelopes work best for invitations, greeting cards, vouchers, and promotional inserts. A5 envelopes offer a versatile size suitable for certificates, reports, catalogues, and flat marketing mailers, while A4 envelopes are used for important documents, presentations, legal papers, and materials that need to be mailed flat without folding. We also provide fully custom sizes to accommodate unique branding needs, oversized mailers, product inserts, or any special project that requires a made-to-measure envelope solution.

Avail Wholesale Envelopes Bulk Offer For Businesses Across the UK

Looking for larger quantities? We, as a  bespoke envelope manufacturer, offer unbeatable wholesale rates to help businesses save more while maintaining premium quality.

Why Buy in Bulk from The Product Boxes UK?

  • Wholesale-friendly pricing
  • Custom quotes for high-volume orders
  • Fast turnaround for urgent projects
  • Free UK-wide shipping
  • Foldable, cost-effective pricing on large envelopes
  • Dedicated support for corporate accounts

Whether you need 500 or 50,000 envelopes, our team ensures fast production, consistent print quality, and reliable nationwide delivery.

Type Specification
Product Name Branded Envelopes
Material Options Premium bond paper, kraft paper, recycled paper, specialty textured stocks
Paper Weight 80–160 GSM common; 120 GSM typical for premium white stock; custom GSM available
Size Range DL, C6, C5, Square, Custom dimensions, window or no-window formats
Colour Options Standard white, natural kraft, pastel, bold solids, Pantone match, metallic tones
Printing Technology Offset, digital, UV, or flexographic printing for high-fidelity graphics
Logo & Branding Full-panel print, spot colour logos, emboss, deboss, foil stamping, UV effects
Finish Types Matte, gloss, soft-touch, satin, linen, or anti-scratch coatings
Closure Style Peel-and-seal, gummed flap, tuck flap, string and button, clasp or snap
Window Options Clear film window, lined or unlined, custom shape and placement
Security Features Tamper-evident seal, void label area, security tint, special adhesive
Eco Certification FSC or equivalent, recyclable, biodegradable, chlorine-free production
Eco Add-ons Soy or water-based inks, recycled content, reduced VOC coatings
Customisation Scope Logo, colour, size, print coverage, finish, internal lining, window, closure
Use Cases Corporate mail, invitations, retail, greetings, marketing, legal or financial documents
Quantity Packs Small runs, bulk cartons, custom sleeves, mixed-size bundles
Minimum Order Flexible MOQs for printed or plain; varies by stock and print method
Packaging Format Flat-packed, pre-folded, or boxed sets for distribution
Edge & Fold Precision Machine-creased folds, exact dielines, clean edge cuts for professional finish
Inner Lining Optional moisture barrier, opaque liner, or coloured interior sheet
Adhesive Type Water-based, hot-melt, or pressure-sensitive adhesives matched to closure
Printing Resolution Up to 1200 DPI for crisp logos, text, and fine patterns
Storage & Handling Flat storage, humidity-controlled preferred to maintain stock quality
Lead Time Short-run digital 2–5 business days; full print 7–14 business days typical
Compliance Standard stationery and mailing regulations; stock-specific certifications
Optional Add‑ons Custom liner sheets, address windows, branded stickers, tear tabs
Custom Offer On‑demand personalised designs, seasonal runs, event or promo themes

Q: What printing methods give the sharpest results on branded envelopes?

A: Offset printing delivers the most precise, high-resolution output for bulk runs, while digital printing suits short runs with multi-colour logos or variable data. Foil stamping is chosen for premium metallic accents without ink bleed.

Q: What paper weights are preferred for premium branded envelopes?

A: 110–130gsm uncoated or textured stocks are most popular for corporate mailers, while 150gsm+ is used for luxury invitations where rigidity and opacity matter.

Q: How important is opacity when selecting branded envelopes?

A: High-opacity paper prevents show-through of documents and maintains a clean, professional look—especially for financial statements, certificates, and branded contracts.

Q: Which closure style offers the best balance of security and convenience?

A: Peel-and-seal closures are preferred for branded envelopes because they ensure clean sealing without moisture and provide excellent tamper resistance during transit.

Q: What envelope sizes are most commonly customised for branding?

A: DL, C5, C4, and A6 sizes are the most frequently branded, covering everything from invoices and marketing letters to invitations and catalogue inserts.

Q: How do coloured or tinted interiors improve presentation?

A: Tinted or patterned interiors enhance privacy while reinforcing brand identity. Many businesses coordinate interior colours with their brand palette for a cohesive reveal.

Q: What coating options enhance durability for mailed envelopes?

A: Spot UV, matte lamination, or light aqueous coating helps resist smudging and scuffing, ensuring the printed branding stays sharp throughout handling and postage.

Q: How does envelope window quality affect branded presentation?

A: Premium crystal-clear windows prevent distortion of printed addresses and maintain a polished look. Anti-static films also prevent dust collection during mailing.

Q: Are eco-friendly branded envelopes widely available?

A: Yes. FSC-certified, recycled, or unbleached kraft envelopes are increasingly selected by brands aiming for low-impact, sustainable stationery.

Q: What tolerance levels should I expect in customised envelope printing?

A: Manufacturers typically work within a 1–2mm print and die-cut tolerance, which ensures accurate logo placement and consistent branding across large production runs.

Corrugated

A fluted box material is created to enhance the strength of the boxes for shipment purposes.

Cardboard

Light in weight and easy to print cardstock material that would be molded into any shape and style.

Kraft

Slightly brown paper-like thin material for packaging created by wood pulp and heaving eco-friendly nature.

Rigid

A thick cardboard box that is high in strength but also luxurious in presentation.

Holographic

An impressive as well as laminated paperboard that emulates a 3d look to colors.

Offset Print

High-quality and low-cost printing option that transfers the image to the box surface in a good resolution.

Digital Print

Digital printing techniques do not require any sort of printing plate as it transfers the image to the surface of the box easily without a plate.

UV Print

Safeguard the printed area from fading and make them more attractive.

Pantone

Utilization of a universally accepted color-matching system for printing the boxes.

Hot Foil Stamping

Print the foil detail by using the hot dies on the surface of the packaging boxes.

Cold Foil Stamping

It is a removable foil stamp that is applied without pressing any hot die or pressure on the boxes.

Blind Embossing

Create the raised area on the box surface by applying the pressure, not the inks.

Blind Debossing

Just like the craving on the box created by using letter plates or letter presses.

Registered Embossing

Create both the texture as well as the depth and endow a 3d effect to the area of the box.

Combination Embossing

Both the design as well as foiling is utilised at the same time to create a more appealing presentation.

Window Patching

Create a plain see-through cut in the box that is covered with a see-through plastic sheet.

Aqueous Coating

Provide tear-free impact to the packaging with a clear and fast-drying water-based coating at the time of printing.

UV Coating

Add protection against the damaging impact of UV sun rays by applying the UV coating to the packaging.

Spot Gloss UV

Annex the glossy effect on the specific areas of the packaging through spot coating.

Soft Touch Coating

Use the soft touch coating to make the darker and dull areas of the packaging velvety and smooth.

Varnish

Provides protection as well as perfect presentation to the printing part of boxes.

Lamination

A very thin plastic film is pasted in the boxes to make them more durable and long-lasting.

Anti-Scratch Lamination

This thin film of plastic is used to endow the scuff as well as scratch resistance to the boxes.
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