500 PACK – Each box contains 500 envelopes – a cost-effective choice for small businesses, offices, and homes with frequent mailing needs, ensuring you always have enough envelopes on hand
SECURITY TINTED – SUNEE #10 letter envelopes feature an interior security tint that protects sensitive information and keeps your contents private during transit
DUAL WINDOW DESIGN – Each #10 envelope self seal has two clear front windows — a 1″ x 3-1/2″ top window positioned 7/8″ from the left and 2-1/2″ from the bottom, and a 1″ x 4″ bottom window positioned 7/8″ from the left and 3/4″ from the bottom
EASY TO USE – Featuring a strong Peel & Seal adhesive strip, our #10 left window envelopes require no moisture — no more licking! Enjoy a quick, clean, and secure way to mail your confidential documents
HIGH QUALITY – Crafted from 24 lb. white woven paper, these white envelopes are strong, durable, and offer a premium feel. Perfect for mailing checks, invoices, billing statements, business correspondence, and direct mail







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