Sobres de envío Steinmetz DIN B4, sin ventana, autoadhesivos, 100 g/m², blanco, 250 uds. (2288-100PR)

In a busy office, sending large documents like contracts, brochures, or catalogs requires envelopes that protect contents and look professional. These Steinmetz DIN B4 mailing envelopes in white are the go-to choice for administrative staff, legal firms, and marketing departments who regularly dispatch A4 documents without folding. The self-adhesive closure with peel-off strip ensures a quick, secure seal, while the opaque paper keeps confidential information hidden during transit.

Key specifications

• Envelope format: DIN B4 (250 x 353 mm) – fits A4 documents unfolded
• Without window – for a clean, formal appearance
• Colour: White
• Material: Paper, 90 g/m² grammage
• Closure: Self-adhesive (peel & seal)
• Opening direction: Short side
• Flap type: Straight flap
• Opacity: Opaque (blickdicht) for privacy
• Quantity per pack: 250 pieces
• Recyclable: Yes

Why choose it

These envelopes combine practicality with a professional look. The self-adhesive strip eliminates the need for moistening or tape, saving time during high-volume mailings. The 90 g/m² paper offers a good balance between durability and weight, keeping postage costs low while protecting contents. The opaque white finish ensures that sensitive documents remain confidential, and the B4 size accommodates standard A4 sheets without folding, preventing creases and maintaining a crisp presentation.

Ideal use cases

• Sending contracts, reports, and certificates that must not be folded
• Mailing marketing materials like brochures and catalogs
• Office correspondence requiring a formal, clean appearance
• Storage of important documents in filing systems

Good to know

Store envelopes in a dry, cool place to preserve adhesive quality. The short-side opening allows easy insertion of documents. Being recyclable, they support environmentally conscious office practices. With 250 envelopes per pack, you are well-stocked for regular mailing needs, reducing reorder frequency and ensuring you never run out during peak periods.