Up&Up Press and Seal Security Envelopes 4" x 9.5" White - 45 or 150 Count

Keep your important documents secure with Up&Up Press and Seal Security Envelopes. Perfect for mailing checks, invoices, confidential letters, or storing photographs safely.

Key Features

• Security Lining - Interior pattern protects sensitive documents from being read through the envelope
• Peel & Stick Seal - Self-adhesive closure makes sealing quick and mess-free, no moisture needed
• Standard #10 Size - 4" x 9.5" fits standard business letters, invoices, and checks perfectly
• Professional White Finish - Clean, crisp appearance suitable for business and personal correspondence
• Multi-Purpose Use - Great for mailing documents or storing photographs and important papers

Perfect For

Home offices, small businesses, bill payments, tax documents, legal correspondence, and everyday mailing needs. The security lining ensures your private information stays private.

Available Sizes

• 45-count pack - Perfect for home use
• 150-count pack - Great value for offices and frequent mailers