Envelope ColomPac CP 015 B4 250 x 353 mm Brown 79 g – kraft paper envelope for documents

ColomPac CP 015 B4 kraft paper envelope measures 250 x 353 mm and is made from 79 g brown kraft paper. This envelope is sized to hold B4-format documents flat without folding, providing basic protection for mailings, storage and internal document transfer. The natural brown kraft surface is suitable for writing labels, stapling shipping marks, or attaching adhesive labels; the lightweight construction keeps postage costs low while maintaining sufficient stiffness for handling.

Advantages

The ColomPac CP 015 B4 envelope combines dimensional accuracy with a tear-resistant 79 g kraft material, ensuring reliable protection for documents during transit and storage. Its raw brown finish is recyclable and accepts printing or handwriting, allowing easy identification and addressing. The envelope balances light weight for economical postage with enough rigidity to prevent excessive bending of enclosed papers.

Suitable for

• Mailing B4 documents, certificates and large-format letters
• Internal document transfer and office correspondence
• Short-term archiving and document organization
• Attaching invoices, delivery notes or technical drawings for shipment

Key specifications

• External dimensions: 250 x 353 mm
• Material: brown kraft paper
• Paper weight: 79 g/m²
• Finish: natural uncoated kraft surface suitable for writing and labeling
• Closure type: open end (standard envelope opening)

How to use

Insert B4-size documents flat into the envelope ensuring edges are aligned with the opening to reduce movement. Fold or secure thicker stacks with an internal paper clip or thin board to avoid bulging. Address the envelope directly on the kraft surface or apply an adhesive label. Seal according to the chosen closure method (glue, tape or sticker) and affix postage as required for weight and destination.

Usage recommendations

For shipping, verify total weight and dimensions to choose correct postage. For important documents, add an internal protective sheet or cardboard stiffener to prevent bending. Store envelopes in a dry environment to preserve kraft strength and avoid prolonged exposure to moisture or extreme humidity.