6 x 4-1/2 Invoice Enclosed Envelope -Blank

The safest and fastest way to deliver invoices!
• Helps speed billing time!
• Keeps paperwork safe and dry!
• Self-adhesive holds fast to cartons.
• Just slip papers or invoices through slit on back of invoice enclosed envelopes, peel backing and press onto carton. Tear off remaining strip to seal.
• Size: 6 x 4-1/2