40-338 Security Check Envelope - Self-seal

    Protect your checks with our self-sealing double window #9 security envelopes. The perforations on the flap will reveal if the envelope has been opened. Use with check 366L.
SKU: 40-338

    Size: 3 7/8" x 8 7/8"
    Top Window Size: 3 7/8" x 7/8"
    Top Window From Left Side: 3/8"
    Top Window From Bottom: 2 1/2"
    Bottom Window Size: 3 7/8" x 1"
    Bottom Window From Left Side: 7/8"
    Bottom Window From Bottom: 11/16"
    Material: White Wove
    Inside Security Tint: Blue
    Flap: Side seam with Square Flap with perforations
    Seal: Latex