White PiP Large Letter Postal Box – 330x220x23mm

Our white large letter postal cardboard boxes (330x220x23mm) are manufactured from high-quality white cardboard to help make your packages stand out from the crowd. Manufactured from single wall cardboard, these 330x220x23mm large letter postal boxes are the ideal packaging solution for any e-commerce, mailing or fulfilment company wishing to send their items in a more professional looking solution.

When packaging your items with our 330x220x23mm white postal boxes, it is vital that the items contained within are securely protected. Based on our own experience, it is important that your products are not just well packaged, but that the packaging itself is representative of the quality of your products. To help maintain the professional look and feel of your boxes we would suggest securing your boxes with clear, high-quality packaging tape – all of which can be purchased from us. Click here to view our range of low cost packaging tape.

Pricing in Proportion (PiP) Sizes

Our white postal boxes can be identified using Royal Mail’s Pricing in Proportion index. Our 330x220x23mm sized white cardboard box specifically fall into the Royal Mail ‘Large Letter’ category.

Key features of our 330x220x23mm White Postal Cardboard Boxes

• Our large letter 330x220x23mm white postal packaging boxes adhere to Royal Mail’s PiP guidelines, so you can accurately calculate your postage costs.
• These premium, high-quality postal boxes offer a lightweight design and come with reliable protection to ensure your goods are secure during transit.
• All of our white postal boxes come flat packed.
• These 330x220x23mm large letter boxes are highly presentable, very easy to construct and can be used both professionally and for personal usage.

Product Details

• Colour: White outer & white inner.
• Internal Dimensions (Length x width x height): 330x220x23mm / 33x22x2.3cm.
• External Dimensions (Length x width x height): 336x223x25mm / 33.6×22.3×2.5cm.
• Pack Size: Pack of 10, 25, 50, 75, 100, 200, 300 & 500.
• PiP Size: Large Letter.
• Mailcoms SKU: MCP-PIP330LLWH-RM.
• 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.
• Please Note: These boxes are manufactured with a potential 10mm tolerance either way and this would need to be taken into consideration when purchasing. A sample service is available for you to test our products before purchase if this is perceived to be a potential issue.

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. If precise sizing is important for your project, we strongly recommend requesting a sample before placing your order.