The best UK suppliers for affordable poly mailers, boxes, void fill, and branded packaging tape under £50/month.
Slash Your UK Packaging Costs Packaging eats £0.40 £1.20 from every sale if you're not careful. Here's how to keep it under £0.30. Best UK Suppliers (2026) 1. Carl Hirst Bags / Polybags Ltd Bulk grey mailers from ~£0.05 each Order 1000+ for the best prices 2. Davpack Boxes, void fill, tape — competitive on bundles Fast UK delivery, account discounts 3. Macfarlane Packaging Trade accounts available Custom printed mailers from 500 units 4. eBay & Amazon Business Surprisingly cheap for small batches (100 mailers ~£8 £12) Useful for testing sizes before bulk buying What You Actually Need Poly mailers: S, M, L sizes covers 90% of clothing/soft goods Single wall boxes: A4 + shoebox sized for harder items Void fill: Recycled paper bubble wrap (cheaper, more eco) Tape: 48mm clear OPP — branded tape later when you have volume Thermal printer: £100 £150 one off, saves £200/year on ink Branding on a Budget Custom stickers from Avery / Sticker Mule (~£15 for 100) Stamp + ink pad (£20 lifetime cost) Thank you cards printed at home Cost Per Parcel Target Minimum viable: £0.15 (grey mailer + paper void fill) Branded basic: £0.30 (printed sticker + custom mailer) Premium unboxing: £0.80+ (only if your AOV is £40+) 💡 Tip: Build packaging cost into the 'Other costs' field of our calculator so it's never forgotten.