Searching for sustainable postal boxes that actively give back to the planet? These eco-friendly postal boxes from our Priory Elements range are partnered with 1% For The Planet — meaning 1% of every sale is donated to leading environmental charities tackling the world's most urgent ecological challenges.

Designed with an optimised structure for maximum protection and minimum material waste, these 145 x 130 x 55mm recyclable postal boxes feature a secure peel and seal closure — no tape required — making them ideal for high-volume pack and despatch operations. A convenient easy-open tear strip also ensures a clean, hassle-free unboxing experience for your customers.

Crafted from sustainable recycled materials, these plastic-free, biodegradable cardboard postal boxes are printed with eco markers to signal your environmental commitment at every delivery. Whether you're looking for small postal boxes, self-seal postal boxes, or recycled cardboard boxes for e-commerce, these sustainable mailer boxes combine efficient design with genuine environmental responsibility.