The Progress Pack Premium Letter Box from Progress Packaging is a high-quality shipping solution specifically designed for large and maxi letter shipping. It features a precise construction that allows for optimal postage calculation. The box is made from sturdy corrugated cardboard and is characterized by its self-adhesive function, ensuring quick and easy filling. With a thoughtful design, the letter box is ideal for shipping documents and other flat items. The use of eco-friendly materials highlights the commitment to sustainability. This shipping box is a practical choice for businesses and individuals who value efficiency and quality.

• Postage-optimized construction for large and maxi letters
• Quick and easy filling thanks to the self-adhesive function
• Made from sturdy corrugated cardboard for secure shipping
• Eco-friendly materials support sustainable practices.