AdWindow lets you see what's inside. Display company literature while protecting contents. Used for catalogs, brochures and direct mailings. Moisten gummed flap to seal.
https://www.123print.com › envelopes › business
AdHigh quality and customizable business envelopes - Choose windowed or non-windowed styles. Available in 80# stationery papers or 24# white wove stock. Full color printing available
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