- US, United States
- May 24th
#10 FLIP & SEAL Double Window Security Business Mailing Envelopes for Invoices, Statements & Legal Documents, Self-Sealing Adhesive Seal, Security Tinted, Size 4-1/8 x 9-1/2 - 24 LB 500 Count (30110) This 10 Double Window envelope is perfect for mailing invoices, statements, and standard business & legal documents. The custom security tint protects your personal information as well as your customer's.