Buy our Brown PiP Small Parcel Mailing Boxes (375mm x 255mm x 150mm) which are strong, lightweight, simple to assemble and offer a great simple professional packaging solution for all types of ecommerce. Ecommerce retailers buy our single wall Brown PiP (Pricing In Proportion) Small Parcel Postal Mailing Boxes if you need your goods to fall in to the Royal Mail's Small Parcel category. Our small parcel mailing boxes to buy are also available in bulk should you need to buy larger quantities for ecommerce.

All of our professional Royal Mail Small Parcel brown cardboard boxes are manufactured from single wall cardboard which comes with a high-quality brown outer and brown inner colour to make parcels uniform and stand out. Based on our own experience, it is important that your products are not just well packaged, but that the cardboard packaging itself is representative of the quality of your products. Our 375x255x150mm sized postal boxes are just one product that is perfect for making the right impression on your customers.

Pricing in proportion (PiP) sizes

All of our brown postal boxes can be identified using Royal Mail’s Pricing In Proportion index. This Brown PiP Small Parcel Postal Box - 375x255x150mm box specifically falls into the "Small Parcel" category.

Product Features of our Brown Small Parcel Postal Boxes - 375mm x 255mm x 150mm

• Highly presentable & quick to assemble brown cardboard boxes.
• High quality single wall corrugated boxes, perfect where presentation matters.
• Saves storage space as our 375mm x 255mm x 150mm size parcel boxes are delivered flat-packed.
• Lightweight but sturdy Small Parcel cardboard boxes.

Product Details

• Colour - Brown outer & brown inner.
• Internal Dimensions (L x W x H) - 375x255x150mm / 37.5×25.5x15cm / 14.75x10x6 Inches.
• External Dimensions (L x W x H) - 398x260x153mm / 39.8x26x15.3cm / 15.7×10.2×6 Inches.
• Box Style Type - Tuck-In-Flaps.
• Corrugated Fluting - R Flute – 2.3mm.
• PiP Size - Small Parcel.
• For size guidance only this would replace the Kite Packaging code - CSW375X255X150-BPB13.
• Parcelsend UK SKU - MCP-BSPB-13-PSUK, MCP-BSPB-13 & 375X255X150-BSPB-13. Formerly MCP-PiP375-RM-PSUK, MCP-PiP375-RM & PiP375-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.

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.

All of our products are manufactured and dispatched right here in our own UK warehouse, which means we can offer some of the fastest turnaround times in the country. And because everything is produced in the UK (unlike many other providers), you’ll never have to worry about customs delays or surprise charges. Delivery is calculated at checkout based on order value - free over £100, from £6.95 under that or select Next Day delivery upgrade for only £9.95. All orders are shipped flat-packed for maximum efficiency.