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Number 10 Envelopes

Number 10 Envelopes – The Standard Choice for Business & Mailing

The Number 10 envelope (4 1/8" x 9 1/2") is the industry standard for business correspondence, invoices, and everyday mailing needs. Designed to fit letter-sized documents folded into thirds, these envelopes are commonly used for professional and personal mailings. Whether you're sending corporate letters, financial statements, or general correspondence, our high-quality Number 10 envelopes provide a secure and polished mailing solution.

Dimensions: 4-1/8" x 9-1/2", Max. Enclosure Size: 3-7/8" x 9-1/4"

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