Flat brown cardboard postal boxes are designed to meet Royal Mail’s ‘Large Letter’ guidelines, helping you to keep a track on postage costs. Simple to use, these convenient and reliable boxes are perfect for e-commerce retailers and allow for easy customer returns.

• ‘Large Letter’ size fits Royal Mail post boxes and domestic letter boxes.
• Provides peace of mind when posting and makes delivery simple.
• Keep control of your postage spending and reduce excess waste.
• Strong but lightweight boxes.
• Delivered as a flatpack to help save storage space.
• Simple to assemble – just fold and tuck in the flaps.
• Suitable for a range of small, flat products.
• Supplied in handy packs of 50 boxes.
• Reusable boxes allow for simple customer returns.
• 100% recyclable.