Product Guide: Do Not Bend Envelopes | Uses and Sizes – Page 2

The Carbon Benefits of Lightweight Rigid Mailers

Home›Product Guide: Do Not Bend Envelopes›The Carbon Benefits of Lightweight Rigid Mailers Product Guide The Carbon Benefits of Lightweight Rigid Mailers Lower your carbon footprint with lightweight board-backed envelopes that still protect. 2 min readUpdated April 2025 In this guide Carbon benefits Lighter is greener Balancing weight and protection FAQs Carbon benefits ✅ Less material = less production energy Lighter parcels = lower carrier emissions More per pallet = fewer delivery trips Quick answer Choosing the lightest board weight that adequately protects your contents reduces carbon at every stage. A... Read more...

Reducing Plastic Waste with Fully Cardboard Do Not Bend Envelopes

Home›Product Guide: Do Not Bend Envelopes›Reducing Plastic Waste with Fully Cardboard Do Not Bend Envelopes Product Guide Reducing Plastic Waste with Fully Cardboard Do Not Bend Envelopes Go plastic-free with all-cardboard board-backed envelopes that protect just as well. 3 min readUpdated April 2025 In this guide Plastic in envelopes All-cardboard alternatives Performance comparison Making the switch FAQs Plastic in traditional envelopes Many traditional do not bend envelopes contain plastic elements: address windows, laminated surfaces, or plastic film linings. These components prevent the entire envelope from being recycled through standard kerbside... Read more...

How to Source FSC Certified Board Backed Envelopes in the UK

Home›Product Guide: Do Not Bend Envelopes›How to Source FSC-Certified Board-Backed Envelopes in the UK Product Guide How to Source FSC-Certified Board-Backed Envelopes in the UK Source FSC-certified board-backed envelopes for verified sustainability credentials. 2 min readUpdated April 2025 In this guide What FSC means Finding suppliers Verifying certification FAQs What FSC means FSC certification verifies that paper and board comes from responsibly managed forests. For do not bend envelopes, it means the board backing and paper components are traceable to sustainable sources through the full supply chain. ✅ FSC Mix:... Read more...

Eco Friendly Inks and Glues in Sustainable Mailing Supplies

Home›Product Guide: Do Not Bend Envelopes›Eco-Friendly Inks and Glues in Sustainable Mailing Supplies Product Guide Eco-Friendly Inks and Glues in Sustainable Mailing Supplies The eco credentials of modern inks and adhesives used in board-backed envelopes. 3 min readUpdated April 2025 In this guide Eco-friendly inks Sustainable adhesives Environmental impact How to specify FAQs Eco-friendly inks ✅ Water-based inks: low VOC, recyclable, standard for commercial envelope printing Soy-based inks: renewable source, excellent colour vibrancy, fully recyclable ❌ Avoid UV-cured inks where possible as they can reduce recyclability Quick answer Water-based inks... Read more...

Are Do Not Bend Envelopes Recyclable

Home›Product Guide: Do Not Bend Envelopes›Are Do Not Bend Envelopes Recyclable? Product Guide Are Do Not Bend Envelopes Recyclable? The recyclability of board-backed envelopes and how to choose the most eco-friendly options. 3 min readUpdated April 2025 In this guide Are they recyclable? Material types and recyclability How to recycle them Choosing recyclable options FAQs Are they recyclable? Most do not bend envelopes are recyclable, but it depends on the materials used. All-cardboard and kraft-backed versions are fully recyclable through kerbside collections. Envelopes with plastic windows, plastic coatings, or mixed... Read more...

The Importance of GSM and Board Weight in Rigid Mailers

Home›Product Guide: Do Not Bend Envelopes›The Importance of GSM and Board Weight in Rigid Mailers Product Guide The Importance of GSM and Board Weight in Rigid Mailers Understanding GSM: the single most important specification for board-backed envelopes. 3 min readUpdated April 2025 In this guide What is GSM? GSM levels and applications GSM and postage How to choose FAQs What is GSM? GSM stands for grams per square metre and measures the weight/density of the board backing. Higher GSM means denser, more rigid board that resists bending more effectively. It... Read more...

Testing Do Not Bend Envelopes for Strength and Durability

Home›Product Guide: Do Not Bend Envelopes›Testing Do Not Bend Envelopes for Strength and Durability Product Guide Testing Do Not Bend Envelopes for Strength and Durability Test your envelopes before bulk ordering with these practical strength and durability checks. 2 min readUpdated April 2025 In this guide Bend resistance test Seal strength test Transit simulation FAQs Bend resistance test ✅ Flex test: hold the packed envelope by one end and check for sag. It should remain rigid. Pressure test: press the centre with your thumb. It should resist deflection. Comparison test:... Read more...

Peel and Seal vs Gummed Closures Which Is More Secure

Home›Product Guide: Do Not Bend Envelopes›Peel-and-Seal vs Gummed Closures: Which Is More Secure? Product Guide Peel-and-Seal vs Gummed Closures: Which Is More Secure? Which closure type keeps your documents safer: peel-and-seal or gummed? 2 min readUpdated April 2025 In this guide Key differences Security comparison Practical considerations FAQs Key differences ✅ Peel-and-seal: self-adhesive strip. Remove backing, press shut. Consistent, tamper-evident. Gummed: water-activated adhesive. Lick or moisten to seal. Traditional, cheaper. Quick answer Peel-and-seal is more secure, more consistent, and more hygienic. It creates a tamper-evident closure that tears the envelope... Read more...

How Custom Printing Transforms Standard Do Not Bend Envelopes into Branded Assets

Home›Product Guide: Do Not Bend Envelopes›How Custom Printing Transforms Standard Do Not Bend Envelopes into Branded Assets Product Guide How Custom Printing Transforms Standard Do Not Bend Envelopes into Branded Assets Turn every board-backed envelope into a brand ambassador with custom printing. 3 min readUpdated April 2025 In this guide The transformation Print options What to print ROI of branded envelopes FAQs The transformation A plain do not bend envelope does its job but says nothing about your brand. Custom printing transforms it from anonymous packaging into a professional brand... Read more...

Hardboard vs Kraft Backed Do Not Bend Envelopes Which Is Better

Home›Product Guide: Do Not Bend Envelopes›Hardboard vs Kraft-Backed Do Not Bend Envelopes: Which Is Better? Product Guide Hardboard vs Kraft-Backed Do Not Bend Envelopes: Which Is Better? Hardboard or kraft-backed? Which board type protects your documents best. 3 min readUpdated April 2025 In this guide Key differences Rigidity comparison Cost and weight Which to choose FAQs Key differences Hardboard-backed: grey/white board insert provides maximum rigidity. Best for high-value prints. Kraft-backed: brown corrugated or solid kraft board. Good rigidity at lower weight and cost. ✅ Both are recyclable through standard kerbside... Read more...

Why Offices and Creatives Rely on Do Not Bend Envelopes for Important Documents

Home›Product Guide: Do Not Bend Envelopes›Why Offices and Creatives Rely on Do Not Bend Envelopes for Important Documents Product Guide Why Offices and Creatives Rely on Do Not Bend Envelopes for Important Documents Why board-backed envelopes are essential for offices and creatives sending important documents. 3 min readUpdated April 2025 In this guide Office use cases Creative industry needs Key benefits Choosing the right envelope FAQs Office use cases ✅ Legal documents: contracts, deeds, and court papers that must arrive flat Financial documents: original certificates, policy documents, tax returns HR... Read more...

The Role of Rigid Envelopes in Professional Document Presentation

Home›Product Guide: Do Not Bend Envelopes›The Role of Rigid Envelopes in Professional Document Presentation Product Guide The Role of Rigid Envelopes in Professional Document Presentation Make every document delivery look as professional as its contents. 2 min readUpdated April 2025 In this guide The presentation role Industry applications Upgrading your presentation FAQs The presentation role A document that arrives flat, clean, and undamaged in a professional envelope makes a statement about the sender. It says you take your work seriously and value the recipient enough to ensure quality delivery. This... Read more...