Trade buying guides.
Practical, clear, useful.
From mailing bags and carton sealing to paper and envelopes. Understand materials, specifications and everyday buying decisions before placing a wholesale order.
Explore the guides
Browse by subject or search for a material, product type or buying question.
PACKAGING & DISPATCH
C4, C5 and DL Envelopes: UK Sizes, Postage Formats and Buying Guide
C4 vs C5 vs DL envelopes explained: exact UK dimensions, A4 folding, Royal Mail Letter and Large Letter limits, and tips for buying envelopes in bulk.
OFFICE PAPER
A4 Paper GSM Explained: 75gsm vs 80gsm vs 90gsm for UK Offices
Choosing 75gsm, 80gsm or 90gsm A4 paper for your business? Compare paper weight, thickness, opacity, printers, ream weights and wholesale buying costs.
PACKAGING & DISPATCH
Packaging Tape Explained: Acrylic vs Hot Melt vs Solvent Rubber
Compare acrylic, hot-melt synthetic rubber and solvent natural-rubber packaging tapes, with buyer checklists, application tests and a roll quantity calculator.
PACKAGING & DISPATCH
Wholesale Mailing Bags: A Practical UK Buying Guide to Sizes, Microns and Materials
Choose wholesale mailing bags with confidence. Compare sizes, polythene microns, gauge, seal types, Royal Mail formats and costs with this practical UK trade guide.
Have a question about a product?
Our team can discuss product specifications, available ranges and bulk buying requirements.