Single Wall Cardboard Postal Boxes

Our brown single walled cardboard boxes (305x305x152mm) are designed to carry smaller, lighter items and loads. This is made possible by our 305x305x152mm reliable single wall cardboard boxes being made from a single layer of sturdy, high-quality cardboard which offers brilliant ...Our brown single walled cardboard boxes (305x305x152mm) are designed to carry smaller, lighter items and loads. This is made possible by our 305x305x152mm reliable single wall cardboard boxes being made from a single layer of sturdy, high-quality cardboard which offers brilliant protection during transit.

Double wall boxes are twice as strong as single wall boxes and they are just as reliable and of a high quality. View our range of double wall cardboard boxes here. Pricing in Proportion (PiP) Sizes Our single wall cardboard boxes can be identified using Royal Mail’s Pricing in Proportion index.

Our 305x305x152mm sized single wall box specifically fall into the Royal Mail ‘Small Parcel’ category. Key features of our 305x305x152mm Single Wall Cardboard Boxes Our light-medium duty 305x305x152mm single wall packaging boxes adhere to Royal Mail’s PiP guidelines, so you can accurately calculate your postage costs. These 305x305x152mm boxes are manufactured from a single layer of sturdy quality cardboard to ensure protection and security during transit.

Suitable for light-medium items. All of our brown single wall cardboard boxes come flat packed. These 305x305x152mm cardboard boxes are very easy to construct and can be used both professionally and for personal usage.

Made from 60% to 90% recyclable material. Product Details Colour: Brown outer & brown inner. Internal Dimensions (Length x width x height): 305x305x152mm / 30.5×30.5×15.2cm / 12x12x6 Inches.

Board Grade: B flute – 3mm. Weight Per Unit: 0.175 Kg. Multiscore (M): None.

PiP Size: Small Parcel. For size guidance only this would replace the Kite Packaging code: CSW121206. Mailcoms SKU: MCP-400537.

Please Note: branding/barcodes may appear on parts of the cardboard box. Images are for reference purposes only and there may be slight variances to the product supplied. All third-party product names, product codes, product SKU’s and company names are trademarks or registered trademarks of their respective holders.

Use of these names or codes does not imply any affiliation with or endorsement by the trademark holder and nor does it suggest any reference or comparison to the quality of our goods vs the quality of the goods of the trademark holder. Due to manufacturer tolerances, actual item dimensions may vary by 10–20mm.