5 Star Rated on Trustpilot ⭐⭐⭐⭐⭐ Full Colour Digital Print - Make your brand instantly recognisable with your full-colour logo or design. 🎨 Total Satisfaction Guarantee 🤗 - Approve a full printed sample of your Mailer Postal Boxes before we go into full production.**Please note this excludes printed single sample orders. Fast Delivery Promise - Printed and delivered in as little as a few days. 🚛 Natural Kraft Eco Cardboard - Corrugated natural kraft cardboard that’s smooth to the touch, yet rigid and secure thanks to the three layers of high quality paperboard. 📦 FSC Certified - made from FSC® certified materials the percentage of which range from 60% to 90% of recycled content. 🌲 Locally Manufactured and Printed - All our Mailer Postal Boxes 📦 are both manufactured and printed in the heart of the UK further reducing our carbon foot print.🌿 Secure & Easy to Assemble - Easy to assemble and secured with strong 💪🏼 folding tabs / flaps. Mailer Postal Boxes sizes shown are the internal dimensions: Width x Depth x Height. Please note: branding/barcodes may appear on parts of the postal cardboard boxes. Images are for reference purposes only and there may be slight variances to the product supplied. Please note: some of these postal 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.