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The BUSINESS SOURCE BSN04468 is a No 10 window business envelope designed for standard commercial mailing and office correspondence. Built from 24 lb white wove stock, each envelope features diagonal seams and a fully gummed V-flap closure. A see-through window measuring 4.5 inches wide by 1.125 inches high is positioned in the bottom left corner, allowing the recipient address printed on enclosed documents to show through without the need for separate address labels. Sold in a box of 500, this envelope suits high-volume mailing operations in offices, billing departments, and mailrooms.
These envelopes are intended for everyday business correspondence including invoices, statements, letters, and direct mail inserts. The No 10 size is the standard business envelope format, accepting a single sheet folded in thirds or a standard business letterhead. The bottom-left window placement aligns with common document templates used in billing and statement printing. The gummed V-flap provides a secure moisture-activated seal. This product is sold by the box and is appropriate for use in manual or hand-fed mailing workflows.
Designed for use with standard No 10 envelope formats commonly used in business correspondence, billing, and statement mailing applications where a bottom-left window aligns with the recipient address block on enclosed documents.
These envelopes are intended for manual insertion and hand-sealing or low-volume desktop mailing workflows. Moisten the gummed V-flap with water or a damp sponge before pressing to seal. Verify that the enclosed document address block aligns with the window opening before sealing the full batch. Store unused envelopes flat in a dry environment to prevent premature activation of the gummed flap.
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