C4 - "Document Enclosed" Envelopes Stretchwrap / Pallet Wrapping Machines and returns can be processed

and returns can be processed more efficiently when contents are visible

transport or on‑site work

Outer paper layer: a white kraft exterior that provides structure and helps resist everyday scuffs

Quick open/reseal closure for efficient packing

Flexible and easy to handle — Textile-style strapping is easier to feed around loads and through buckles than rigid banding options

C4 - "Document Enclosed" Envelopes Stretchwrap / Pallet Wrapping Machines and returns can be processedC4 "Document Enclosed" Envelopes "Document Enclosed" Envelopes C4 Document Enclosed Envelopes (Document Wallets) Overview C4 Document Enclosed envelopes (often called document enclosed wallets or packing list envelopes) are designed to keep paperwork securely attached to the outside of parcels, cartons and pallets. They help ensure delivery notes, invoices, customs paperwork and return documents stay clean, visible and protected during transit and