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Window Envelopes - Flip & Seal - Double Window
"OUR MOST POPULAR DOUBLE WINDOW ENVELOPES"
NOW STOCKED WITH FLIP & SEAL CLOSURE FOR QUICK DELIVERY

The Flip & Seal Adhesive...
designed for quick, clean, touch-of-a-finger sealing,
It's as simple as...1,2,3...
1. Raise the lower flap.
2. Press down on the upper flap.
3. And it's sealed!