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500 Minas Envelope #10 Business Envelope (Postage Meter/Reverse Flap Window), 4 1/8 x 9 1/2, Upper Right-Hand Window, Security Tinted, Sturdy 24lb. White, Gum Flap (MB10URWT)
- No. 10 (4 1/8 X 9 1/2) Postage Meter Flap Down Window Envelopes AKA: Upper Right-Hand Window
- Security Tinted Envelopes
- Standard (1-1/8" x 4-1/2" Window) positioned 4 1/8 from left and 2 1/2 from bottom When Flap is UP
- Sturdy 24lb White Envelopes with Blue Tint
- Strong Gum Flap
- Made in USA
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