500#10 Double Window Security Envelopes, Flip & Seal

Key features

• #10 Envelopes, Self Seal, Suitable for Invoices and Business Mail – Businesses and accounting teams mailing invoices and statements use these two window envelopes self seal #10 designed to align with letter size paper, invoices, or QuickBooks statement layouts so return and recipient addresses display clearly in the 2 left windows for accurate billing workflows.
• Double Window Envelopes Self Seal #10 with Easy Flip & Seal Closure – Offices and billing teams handling high-volume mailings use these #10 self seal envelopes with a permanent flip sealing closure that creates a secure bond when pressed, eliminating the need for moisture or peel strips and improving workflow efficiency.
• Windowed Business Envelopes, Self Seal #10, with Dual Window Addressing – Businesses sending invoices, patient statements, and correspondence use these double window envelopes designed to display both return and recipient addresses, helping reduce manual addressing and improve mailing consistency.
• 24lb White Paper with Security Tint Privacy – Offices mailing financial documents use these #10 double window security envelopes with a printed security tint that helps reduce read-through, protecting invoice totals, billing details, and sensitive information during transit.
• Standard #10 Size & Bulk Pack – Businesses and administrative teams use these #10 envelopes measuring 4 1/8 x 9 1/2 inches in a 500-count pack to maintain a dependable supply for billing cycles, statement runs, and routine office mailing workflows.

Free shipping included. 30-day hassle-free returns.