Columbian #9 Double-Window Security Envelopes, SimplySafe Tamper Evident, Pull Strip, Peel and Seal, & #8 5/8 Security Envelopes, 500/Box, Double Window, 3-5/8" x 8-5/8"

• Product 1: Box of 500 Columbian white double window #9 envelopes (3-7/8" x 8-7/8") with a SimplySafe tamper-evident seal and peel off Release & Seal closure. top window: 7/8" x 3 1/2". bottom window: 1" x 4" Product 1: Columbian #9 double window envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening Product 1: Protect critical documents or your customers' sensitive data. these tinted envelopes have a reflex blue pattern that obscures the details of what's inside Product 1: Each #9 envelope is easy to open and close. simply remove the Release & Seal strip and press the flap closed for a clean, sanitary seal. use the pull strip to open without difficulty Product 2: Get a jumbo box of 500 Columbian double window #8 5/8 envelopes (3-5/8" x 8-5/8") each with a SimplySafe tamper-evident pull strip, security tinted interior, and easy peel off Release & Seal closure Product 2: These security envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding you against unauthorized opening Product 2: Each white envelope is made from 24 lb white wove paper with an interior security tint pattern so you can't see what's inside. ideal for obscuring sensitive information & protecting critical documents Product 2: These self seal envelopes have a Release & Seal peel strip. peel off the paper strip and press down for a permanent seal. it's simple, clean, and sanitary with no moisture required