Our Royal Mail PIP Boxes are strong, lightweight Large Letter postal boxes designed to protect your items while helping you stay within Royal Mail size limits.
Made from durable single-wall cardboard, these die-cut PIP boxes are ideal for sending documents, cards, brochures, paperwork and other slim items securely through the post. They are a practical choice for eBay sellers, online retailers, small businesses, offices and everyday mailing needs.
This is a multi-variation listing for a selection of brown cardboard PIP postal boxes. Please choose your required size and quantity from the variation options above.
Each size is designed with Royal Mail Large Letter requirements in mind, helping you keep postage costs under control while still providing suitable protection.
Our PIP Large Letter Boxes offer a simple, professional and cost-effective solution for sending documents and smaller products.
Made from strong single-wall cardboard, they provide reliable protection during transit while remaining lightweight and easy to handle. The boxes are supplied flat-packed, making them easy to store and quick to assemble when needed.
With options suitable for C4/A4, C5/A5, C6/A6 and smaller formats, they are suitable for a wide range of postal and packaging applications.
The natural brown kraft finish gives the boxes a clean, professional appearance for both business and personal use.
These PIP postal boxes are suitable for:
Their slim design helps provide secure protection without adding unnecessary bulk.
Please note: All measurements are approximate. Closure flap designs may vary slightly between sizes. Images are for illustration purposes only and the actual colour shade may vary slightly.
Choose our PIP Large Letter Boxes for a practical, dependable and professional postal packaging solution. Whether you are sending customer orders, documents, cards or small products, these boxes offer a convenient way to package your items securely.
Orders placed before 2:00 PM Monday to Friday are normally dispatched the same working day.
Orders placed after the cut-off time, during weekends or on public holidays will be processed on the next working day.
Our standard delivery service is free of charge and is handled by reliable UK courier partners.
Delivery normally takes around 2–5 working days, excluding weekends and public holidays.
An express delivery option may be available at checkout for customers who require faster delivery.
Express services normally aim for delivery within 24–48 hours, depending on destination, parcel size and courier availability.
For deliveries to Northern Ireland, the Scottish Highlands, Isle of Man, Isle of Wight, Scilly Isles and other remote or offshore locations, please contact us before ordering.
Additional delivery charges or longer delivery times may apply.
We offer a 30-day returns policy.
Refunds will be processed once returned items have been received and inspected.
Used, incomplete or damaged returns may be subject to a partial refund or may not qualify for a full refund.
We aim to provide a reliable and helpful service.
If you experience any issue with your order, please contact our customer service team before leaving feedback. We will do our best to resolve the matter promptly.
We stock a wide range of packaging and janitorial products including refuse sacks, mailing bags, packaging tapes, envelopes, rubble sacks, bin liners and many other commercial packaging essentials.
Please visit our eBay shop to view our full product range.