OKI Square Envelopes Without Window, White, Gummed, 155 x 155 mm, 50 Pack (45624)

For sending invitations, greeting cards, or special announcements, these square envelopes provide a clean, professional presentation. The 155 x 155 mm size fits cards up to 150 x 150 mm, making them ideal for square-shaped stationery. The white paper with a matte finish offers a classic look, while the gummed flap ensures a secure seal when moistened. Each pack contains 50 envelopes, suitable for personal or office use.

Key specifications

• Shape: Square
• Colour: White
• Window: No
• Sealing: Gummed (moist-seal)
• Dimensions: 155 x 155 mm
• Material: Paper, 90 gsm
• Finish: Matte
• Quantity: 50 envelopes

Why choose it

The square format adds a distinctive touch to your mailings, ensuring they stand out in the recipient's mailbox. The gummed closure provides a reliable seal without the need for additional adhesives. The 90 gsm paper offers a balance of durability and flexibility, preventing the envelope from feeling flimsy while remaining easy to handle.

Ideal use cases

• Wedding invitations and RSVP cards
• Greeting cards for birthdays or holidays
• Announcements, such as graduations or new arrivals
• Marketing mailers that require a square format

Good to know

To seal, moisten the gummed flap and press firmly. Store envelopes in a cool, dry place to maintain adhesive quality. The envelopes are made from paper and are recyclable where facilities exist.