C4 C5 C6 Royall Mail Large Letter Boxes PIP Strong Cardboard Postal Mailing Boxes for Shipping Documents & E-commerce Sold by Packaging Solutions (250, Brown/Manilla, C4/A4 - (320 x 220 x 20 mm))

• PERFECT FOR ROYALL MAIL LARGE LETTER (PIP COMPLIANT):- Designed to meet Royal Mail Large Letter size guidelines, helping you save on postage costs. Ideal for sending documents, photos, books, and small items safely.
• STRONG & DURABLE CARDBOARD:- Made from high-quality rigid corrugated cardboard to protect contents during transit. Crush-resistant design keeps items secure and damage-free.
• MULTIPLE POPULAR SIZES – C4/A4, C5/A5, C6/A6:- Versatile mailing box sizes suitable for C4/A4, C5/A5, and C6/A6 contents, including documents, letters, certificates, and flat goods.
• QUICK FOLD & SECURE CLOSURE:- Easy to assemble in seconds with a secure tuck-in flap. No tape required (optional for extra security), saving time for busy businesses.
• IDEAL FOR SMALL BUSINESSES & E-COMMERCE:- Perfect packaging solution for e-commerce sellers and online retailers. Professional presentation for your customers.
• FLAT PACKED FOR EASY STORAGE:- Supplied flat to save space and reduce storage costs. Convenient for warehouses, offices, and home businesses.
• TRUSTED UK SELLER – PACKAGING SOLUTIONS:- Sold by Packaging Solutions – reliable UK supplier of quality postal packaging for businesses and individuals.

Send your items safely and cost-effectively with these Royall Mail Large Letter Postal Boxes, designed to meet PIP (Pricing in Proportion) guidelines. Whether you're a small business, online seller, or sending personal items, these boxes help you reduce postage costs while ensuring maximum protection. Manufactured from strong corrugated cardboard, these mailing boxes provide excellent durability and protection during shipping. The rigid construction helps prevent bending, crushing, or damage, making them ideal for posting documents, photos, books, certificates, and small parcels. Available in C4, C5, and C6 sizes, these boxes are perfectly suited for A4, A5, and A6 contents, offering flexibility for a wide range of uses. The easy-fold design allows for quick assembly, saving time when packing multiple orders, while the secure closure keeps contents safe in transit. These postal boxes are widely used by e-commerce sellers on e-commerce sites as well as offices and individuals who need reliable, professional packaging. Delivered flat-packed for easy storage, they are a practical and efficient solution for any workspace. Choose Packaging Solutions for dependable UK packaging products designed to meet your shipping needs.