Royal Mail Large Letter PiP C6 A6 Mini Large Cardboard Postal Mailing Boxes

Our Royal Mail Large Letter PiP cardboard postal boxes are designed to help you package and protect your items while keeping postage costs low. Their slim, lightweight design makes them ideal for sending suitable items as Large Letters, subject to Royal Mail's size, thickness and weight limits.

Made from strong, durable cardboard, these boxes are quick and easy to assemble, provide a secure closure and offer a professional alternative to standard mailing bags.

Key Features & Benefits

• Postage Saving Solution: Designed for Royal Mail Pricing in Proportion (PiP) Large Letter postage, subject to applicable size and weight restrictions.

• Strong & Durable Cardboard: Helps protect your items during storage, handling and transit.

• Lightweight Design: Helps minimise packaging weight and keep postage costs down.

• Quick & Easy Assembly: Simple fold-and-lock design that can be assembled in seconds.

• Secure Locking Tab: Helps keep your contents safely enclosed without requiring tape, glue or staples.

• Letterbox-Friendly Design: Suitable for sending compatible items through most standard UK letterboxes.

• Eco-Friendly Packaging: Made from recyclable cardboard and 100% recyclable after use, subject to local recycling facilities.

• Made in the UK: A reliable packaging solution for personal and business use.

• Supplied Flat-Packed: Convenient to store and easy to transport.

High-Quality Cardboard Mailing Boxes

Our Large Letter PiP boxes combine strength, practicality and a neat, professional appearance. They are ideal for protecting smaller items that require more structure than a standard mailing bag.

The secure folding design helps keep contents in place, making these boxes suitable for online orders, retail packaging, gifts and everyday postal requirements. You can also decorate them with ribbons or other accessories to create attractive gift packaging.

Multi-Purpose Postal & Shipping Boxes

These versatile cardboard mailing boxes are suitable for a wide range of applications, including:

• eBay, Amazon and other e-commerce orders

• Books, documents, cards and stationery

• Clothing and small accessories

• Gifts and retail products

• Lightweight items and small merchandise

• Home, office and business postage

• Storage, packing and general mailing purposes

Whether you are an online seller, small business owner or individual customer, these postal boxes provide a practical and professional packaging solution.

Protective Packaging – Easy to Assemble

Designed for convenience, these flat-packed cardboard boxes fold into shape quickly and feature an integrated locking tab. No tape, glue or staples are required for normal assembly.

Their slim profile and sturdy construction help protect suitable contents while providing a tidy finish for your parcels. For fragile or valuable items, additional internal cushioning may be required.

Why Choose Our PiP Postal Boxes?

✔ Designed for Royal Mail Large Letter postage requirements
✔ Helps reduce postage costs when size and weight limits are met
✔ Strong, lightweight and practical cardboard construction
✔ Quick assembly with a secure locking tab
✔ Suitable for e-commerce sellers, retail businesses and home use
✔ Made in the UK
✔ Recyclable cardboard packaging
✔ Bulk quantities available for business and wholesale requirements

Product Sizes & Ordering Information

This is a multi-size listing. Please select your required box size and pack quantity from the available variations before placing your order.

Choose the size that best suits your products and packaging requirements.

Perfect for posting, packing, storing and shipping small items.

Important Postage Information

Sample Orders: A £3 additional postage charge applies to orders for sample pieces.

Choose our Royal Mail Large Letter PiP postal boxes for a strong, lightweight and cost-effective packaging solution for your everyday mailing needs.