Crafted from high-quality corrugated cardboard, our PIP Large Letter Postal Boxes ensure the safe and efficient shipping of your lightweight items. The sturdy construction guarantees the protection of your contents during transit.

Engineered to fit seamlessly within the Large Letter size guidelines established by Royal Mail, our postal boxes help you save significantly on postage costs. Delivered flat packed in bundles, these boxes are designed for easy storage and handling. The PIP boxes boast versatile design options, including convenient tuck-in flaps.

Manufactured from durable 1 mm thick single-wall cardboard, our postal boxes feature protective tabs at the front. This added layer of defense ensures that your package remains secure throughout its journey, offering superior protection compared to standard mailers.

Ideal for both business and personal use, these boxes provide a secure and efficient solution for mailing goods to customers, family, or friends. Quick and simple to assemble, they can be sealed with clear or brown tape, both made from recycled materials. The 100% recyclable PIP boxes are an excellent choice to minimize shipping costs for your business.

Our slimline postal boxes come in two popular sizes—C4 and C5—suitable for items up to 20mm in depth. Whether you're sending documents, products, or gifts, these recyclable, biodegradable, and reusable boxes are made from sustainable and recycled materials.

Please note that all given dimensions are internal, ensuring accuracy for your packaging needs. We are committed to sustainability, utilizing recycled and sustainable materials in the production of our PIP boxes.