Shop wallet envelopes in DL (110 × 220 mm), C6 (114 × 162 mm), C5 (162 × 229 mm) and C4 across white, manilla and colour finishes. Wallet envelopes open on the long edge for fast inserting and high-speed enclosing, ideal for invoices, statements, letters and direct mail. Choose window or plain faces with gummed, self seal or peel & seal closures, plus opaque or heavyweight papers for privacy. Recycled and FSC-certified options support sustainable mailing, and contract pricing is available on box, outer and pallet quantities. Use filters to match size, colour and seal type, order with confidence thanks to clear stock levels, and get fast dispatch with free UK delivery when you spend £50+. For rigid or bulky contents, consider board back and expandable gusset alternatives.