Elevate your shipping game with our brown mailing boxes, specially designed as C7 postal boxes for safe, cost-effective mailing. Crafted from durable yet lightweight brown corrugated cardboard, these brown box packaging solutions are compliant with Royal Mail's Large Letter guidelines, ensuring your parcels stay slim, stackable, and postage-friendly.
Perfect for e-commerce, stationery, small electronics, media, and gifts, each box provides excellent protection while remaining fully recyclable and eco-friendly. Their flat-packed design allows for compact storage and fast assembly, making them ideal for high-volume or on-demand mailing