The CEO Creative | Business Office Supplies and Essentials

#10 Self-Seal White Envelopes (40/Pack)

A 40-pack of #10 self-seal white envelopes, ideal for professional letters, documents, and everyday mailing. + Explore More Styles

#10 Self-Seal White Envelopes (40/Pack) - Main image
$3.48 $6.95 In stock

Category: Office Supplies

Reliable Mailing Made Simple with our Net30 #10 Self-Seal White Envelopes!

The #10 Self-Seal White Envelopes (40/Pack) are designed for everyday business and personal mailing needs. Featuring a clean white exterior and a standard size ideal for letters and documents, these envelopes provide a professional presentation for all outgoing mail. The self-seal adhesive strip allows for quick and secure closure without moisture, saving time and effort. Suitable for offices, small businesses, and home use, this pack offers a practical solution for consistent and efficient mailing.

A Reliable Gift for Everyday Mailing Needs!

Keep correspondence simple and organized with envelopes made for daily use. This #10 self-seal white envelopes (40-pack) set is a practical choice for offices, businesses, or home use. Perfect for letters, invoices, and important documents, each envelope features a clean, professional look with a self-seal closure that saves time and effort. Easy to store and convenient to use, it is an essential supply that helps keep mailing tasks smooth and efficient.

Why You’ll Love Our Net30 #10 Self-Seal White Envelopes:

✅ Self-seal closure for quick and mess-free sealing

✅ Standard #10 size fits letters and documents perfectly

✅ Professional white finish for clean presentation

✅ Convenient 40-pack for regular mailing needs

✅ Easy to use for home or office environments

Product Features:

  • #10 SELF-SEAL WHITE ENVELOPES. These 4 1/8″ x 9 1/2″ inch self-sealing envelopes are designed to save your time and money. Helps you fly through mailings in record time.
  • SECURE. Just peel and seal to create a strong lasting seal without licking or moistening. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.
  • WINDOWLESS DESIGN. Envelopes manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings.
  • WHITE 20LB STOCK. Perfect for everyday business use, these standard white envelopes are crafted of heavy, durable 20lb paper and securely holds hefty files during transit.
  • MULTI-PURPOSE. These envelopes can easily fit invoices, letters, checks, gift cards, etc. These envelopes can be used for virtually anything you need them for!

👉 Keep your mailing simple and professional—stock up on #10 self-seal envelopes today.

+ Explore More Styles

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Henry ★★★★★

Thick enough that the paper doesn't show through when I address them, and the peel-and-stick flap seals in one press. I mail invoices weekly and haven't had a single one come open in transit.

Emily I. ★★★★★

The self-seal strip actually sticks on the first press, no licking or wet sponges needed. I've been using these for thank-you notes and the occasional rebate form, and 40 in a pack lasts me a good while.

Sophia E. ★★★★★

Ordered these for monthly invoice mailings and the peel-and-seal strip saves me from licking envelopes or hunting for a sponge. The paper feels sturdy enough that they don't wrinkle in the printer, and 40 per pack is a handy size for a small office.