Envelope DL Sigel DU033 Red 50 pcs

The Sigel DU033 envelope in DL format (110 x 220 mm) is designed for sending letters and standard documents. Made from colored paper in a bright red tone, this pack contains 50 envelopes that combine everyday durability with a distinct visual appearance. The slim DL size fits standard business correspondence, invoices and personal letters while offering consistent fold and seal performance.

Advantages

These Sigel envelopes provide uniform dimensions and reliable flap closure, ensuring contents remain secure during transit. The colored paper offers improved visibility and makes mailed items easy to identify, while the quality material resists tearing during handling. A pack of 50 gives sufficient quantity for routine office use or occasional campaigns without requiring frequent restocking.

Suitable for

• Business correspondence and invoices
• Personal letters and greeting cards
• Mailings for events, invitations and announcements
• Organizing documents by color coding

Key specifications

• Format: DL (110 x 220 mm)
• Color: red
• Material: colored paper
• Pack quantity: 50 envelopes
• Closure type: standard flap (gummed or self-seal depending on model)

How to use

Place letters or flat documents inside the DL envelope without overfilling to preserve the flap seal. Moisten the gummed flap or use adhesive if the model is self-seal, then press firmly to secure. For mailing, ensure addresses and postage are applied clearly on the front; for storage, keep envelopes flat in a dry environment to avoid creases or moisture damage.

Recommendations

Store envelopes in a cool, dry place away from direct sunlight to maintain color and paper strength. For a neat presentation, align contents to avoid bulging and consider using the red color for priority or promotional mailings to improve visibility.