White envelope in A3 format and 20 mm high corrugated cardboard

The 20 mm high white A3 envelope made of corrugated cardboard is an excellent solution for safely packing and shipping large documents, catalogs or flat objects. Thanks to its rigid corrugated cardboard base, the envelope provides protection against bending, impact and other damage. Its stylish white design and sturdy construction make it ideal for presentable and reliable delivery.