Netuno B4 Brown Self Seal Envelope (50 Count, 100 g Letter Size, Straight Flap Pressure Sensitive Without Window)

B4 FORMAT – B4 mailing envelopes measuring 250 x 353 mm with 100 g/m² paper depending on the variation. Suitable size for larger documents or for inserting C4 envelopes without folding. DOCUMENT PROTECTION – Envelopes designed to protect documents, invoices, contracts, applications, certificates and printed materials during dispatch, filing or daily handling. PRACTICAL CLOSURE – Straight flap positioned on the short side with self adhesive closure and protective strip depending on the variation. Helps prepare correspondence quickly and neatly. PROFESSIONAL USE – Suitable for offices, trade, administration, filing, business correspondence and postal dispatch of important paperwork. TECHNICAL DETAILS – 50 B4 envelopes 250 x 353 mm brown kraft paper 100 g/m². Without window, short side opening, straight flap, self adhesive closure with protective strip. Suitable format for inserting C4 envelopes. Possible colour variations depending on screen settings.