Size 9 Blank Regular envelopes are used by most businesses as a return envelope as it fits great when inserted in the #10 Standard Envelopes!
# 9 security tinted envelopes white 24lb measures (3 7/8" x 8 7/8").
No moisture is required to seal and one simply needs to peel off the strip before sealing the envelope. Tear off strip also keeps adhesive from dust and thus giving it long shelf life. To seal these individuals simply need to remove the strip and press to se...
#9 Envelopes (3 7/8" x 8 7/8") are most widely used as business reply envelopes. These are perfect for businesses and individuals who want high-quality yet affordable #9 envelopes. We currently boast a range of Regular, Security Tinted, Window, and Self-seal #9 envelopes. To ensure the best quality we craft them from high-quality paper and materials. These are blank envelopes and are not customizable. If you want anything printed on them go to our separate page for printed #9 envelopes.