Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10

Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico and remote addresses can take longer. You get a tracking number by email as soon as your order ships.
You can return an item within 30 days of delivery, no reason needed. We email a prepaid return label; items should be unused and in their original condition. Your refund goes back to your original payment method within 10 business days of us receiving the return.
If you have a question about an item or your order, email othercenter.us@gmail.com with the product name or order number. We answer every message by email and reply within 1 business day (Monday to Friday).
Aimoh #10 Double Window Self-Seal Security Envelopes are made for business mailings, with two address windows, a peel-and-seal closure, and a 500-envelope supply.
For offices, accountants, and small businesses, preparing regular mail can mean addressing many invoices, statements, checks, or documents. Aimoh’s double-window layout displays both addresses, while the security pattern is designed to keep the contents from being visible through the paper. The peel-and-seal strip makes closure a straightforward step when handling batches of outgoing correspondence.
The envelopes measure 4-1/8 x 9-1/2 inches (10.48 x 24.13 cm) and are designed for letter-size documents folded into thirds. They also fit QuickBooks checks and Excel statements, making them suitable for routine accounting and office mail. The windows let the sender and recipient addresses show through, so separate address labels are not needed for mail prepared with correctly positioned addresses.
The two windows display the sender and recipient addresses, and the envelope’s dark tinted pattern obscures sensitive information inside. This arrangement supports business correspondence where the addresses need to remain visible while the enclosed financial or personal details stay covered. Address placement matters: the information intended to show must align with the windows, while the security pattern covers the rest of the contents.
Peel away the strip to activate the self-seal adhesive, then press the flap closed; no licking or moisture is required. The adhesive is designed to provide a secure closure and help prevent the envelope from splitting or opening in the mail. This sealing method is useful when preparing multiple outgoing envelopes because it avoids wetting each flap individually.
Each supply contains 500 envelopes made from 24 lb white paper. The quantity is suited to offices and small businesses handling ongoing mail, while the paper construction is intended for everyday correspondence. A consistent #10 format can also simplify routine preparation when sending the same kinds of business documents regularly.
Aimoh #10 Double Window Self-Seal Security Envelopes suit accountants, office teams, and small businesses that regularly mail checks, statements, invoices, or folded letter-size documents. They are intended for business correspondence that benefits from visible sender and recipient addresses and a tinted privacy pattern. Their two windows, peel-and-seal closure, and 500-envelope supply bring those mailing needs together in one format.
Q: What documents fit Aimoh #10 Double Window Self-Seal Security Envelopes?
A: Aimoh #10 Double Window Self-Seal Security Envelopes fit QuickBooks checks, Excel statements, and letter-size documents folded into thirds.
Q: How do you seal Aimoh #10 Double Window Self-Seal Security Envelopes?
A: Peel off the adhesive strip and press the flap closed. Aimoh #10 Double Window Self-Seal Security Envelopes require no licking or moisture.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico and remote addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days. You can return an item within 30 days of delivery, no reason needed. We email a prepaid return label; items should be unused and in their original condition. Your refund goes back to your original payment method within 10 business days of us receiving the return. See returns & refunds.
Damaged or wrong item? Email a photo to othercenter.us@gmail.com and we will make it right.
Read the buying guide: Shipping from home: label printers, mailers, boxes and packing tape
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