How to Use Do Not Bend Envelopes in E-commerce Shipping
E-commerce shipping with do not bend envelopes: protection, postage savings, and presentation.
E-commerce applications
Quick answer
E-commerce sellers use do not bend envelopes to ship flat products at large letter postage rates while preventing damage. A C4 board-backed envelope qualifies for Royal Mail large letter (from 93p) if under 25mm thick and 750g, compared to £3.35+ for small parcels. This saves £2+ per order. For print sellers shipping hundreds per week, the annual postage savings are substantial.
Postage savings
C4 board-backed envelopes that stay under 25mm qualify for large letter.
Lighter board backing keeps you in cheaper weight bands within large letter.
Art prints, photos, certificates, and stationery fit within large letter limits.
Brand presentation
A branded do not bend envelope creates a professional delivery experience that reinforces your brand quality. Custom printing with your logo, brand colours, and website URL turns every shipment into a brand impression. For e-commerce, where you never meet the customer, packaging IS the brand experience.
Fulfilment tips: Royal Mail guidelines or cutting replacement costs.
Fulfilment workflow
Efficient packing workflow0 / 4 checked
E-commerce envelopes
Board-backed envelopes optimised for e-commerce shipping from ProcuraPack.
Browse do not bend envelopesFrequently asked questions
Art prints, photos, certificates, stationery, greeting cards, and any flat item under 25mm.
£2+ per item shipping as large letter vs small parcel.
Yes, custom printing from 100 units adds your logo and brand colours.
Under 30 seconds per item with a pre-staged workflow.
Weigh a few samples to know your typical weight, then spot-check regularly.
Part of our guide
Product Guide: Do Not Bend Envelopes
Expert guides on rigid mailers and board-backed envelopes for protecting documents, prints, and certificates.
Browse all guides →
