No address label, no complicated labeling, and still the usual high protection of our proven bubble envelopes with our aroFOL® win - the padded alternative with window! Window size: 55 x 90 mm. Made from chlorine-free bleached white kraft paper or unbleached brown kraft paper as the outer layer. High-quality bubble wrap serves as the inner layer. The bubble wrap and paper are welded together at the pocket opening for optimum filling. Produced in a climate-neutral manner. Features a Trifix closure (fixed closure, adhesive closure, or perforation for staple closure). Includes a beveled flap and a barcode for end-user business. Printed with water-based inks (Aquaprint®) and lightweight.