This Size Double Window Security envelope is the most popular size for letters, invoices & statements.
- Business Envelope, #10 : Level up your professional correspondence with our presentable, high-quality white envelopes, letter size. At 4 1/8 x 9 1/2 inches, these are perfect for folded statements, Quickbooks invoices, and other official purposes
- Security Tinted, 24 LB: Confidently mail sensitive information inside our no. 10 security envelopes. Peel and seal closure with strong adhesive, thick 24 lb heavy duty paper, and the extra-dark privacy pattern enable complete privacy
- Double Window Design: There’s no need to spend money on custom printing or stamping with our letter envelopes. Peel and seal is all that is required, thanks to the dual windows that display your return and sender addresses in perfect alignment
- Instant Closure: No moisture needed. With these no.10 envelopes, self seal closure makes your mailing experience smooth and efficient. Simply peel off the strip under the flap to expose the strong adhesive underneath and press down
- Pack of 50: Our 50 pack of letter size envelopes with windows will make sure you always have enough at hand to fulfill mass mailing needs. Streamline your business operations with these versatile shipping essentials
- Business Envelope, #10 : Level up your professional correspondence with our presentable, high-quality white envelopes, letter size. At 4 1/8 x 9 1/2 inches, these are perfect for folded statements, Quickbooks invoices, and other official purposes
- Security Tinted, 24 LB: Confidently mail sensitive information inside our no. 10 security envelopes. Peel and seal closure with strong adhesive, thick 24 lb heavy duty paper, and the extra-dark privacy pattern enable complete privacy
- Double Window Design: There’s no need to spend money on custom printing or stamping with our letter envelopes. Peel and seal is all that is required, thanks to the dual windows that display your return and sender addresses in perfect alignment
- Instant Closure: No moisture needed. With these no.10 envelopes, self seal closure makes your mailing experience smooth and efficient. Simply peel off the strip under the flap to expose the strong adhesive underneath and press down
- Pack of 50: Our 50 pack of letter size envelopes with windows will make sure you always have enough at hand to fulfill mass mailing needs. Streamline your business operations with these versatile shipping essentials
