Indigo® C4 Board Back Envelopes with Window - Peel & Seal, Manilla, Printed ‘Please Do Not Bend’ - 324 x 229 mm Pocket Style - Pack of 125

C4 Size - 324 x 229 mm - Designed to send A4 documents flat, with no folding required. ️ Board Back Protection - Extra-rigid backing helps prevent bending, creasing or damage during delivery. ️ Clear Address Window - Professional mailing presentation without additional labels or handwriting. Printed ‘Please Do Not Bend’ - Alerts postal staff to handle items with care for secure, safe arrival. Peel & Seal Closure - Fast, clean and tamper-resistant sealing with no tape or moisture required. Pack of 125 - Excellent value for frequent mailing in offices, schools, print shops and home businesses. ✉️ Ideal for Important Documents - Perfect for certificates, photos, legal papers, brochures and artwork.