Meet ÖKI square envelopes—160 × 160 mm, W90, non-window, in a convenient 500-piece pack. Designed for professional office mailings, these white envelopes provide a clean, reliable presentation for documents and invoices.

Key Features & Design

• Size: 160 × 160 mm
• Shape: Square
• Window: Non-window
• Color: White
• Specification: W90
• Quantity: 500 envelopes per pack

Performance & Benefits

Offers privacy with a sturdy, professional presentation for everyday mailing needs. The square format is ideal for securing and presenting documents, invoices, and statements, while the non-window design keeps contents discreet. The 500-piece pack ensures steady supply for busy offices, reception desks, or home-based businesses.