Looking for sustainable postal boxes that protect your products and the planet in equal measure? These 215 x 155 x 100mm eco-friendly postal boxes from our Priory Elements range are built from corrugated recycled cardboard, offering superior protection for smaller items in transit — without the environmental cost. Featuring an optimised design with a secure peel and seal closure, these self-seal postal boxes eliminate the need for additional tape, streamlining your pack and despatch operation. An easy-open tear strip ensures a clean, frustration-free unboxing experience for your customers every time. Every box is made from sustainable recycled materials — 100% plastic-free, fully recyclable, and biodegradable. Eco markers printed on each box communicate your environmental commitment directly to your customers at the point of delivery. Through our partnership with 1% For The Planet, 1% of every sale across all Priory Elements ranges is donated to environmental charities working on the world's most critical ecological issues — so every order genuinely makes a difference. Browse our full range of Priory Elements planet-friendly packaging to find the sustainable packaging solution that's right for your business.