【Quality Paper Material】Our #10 business envelopes measuring 4-1/8 x 9-1/2 inch, not easy to break, deform or fade, reliable and sturdy, withstand daily wear 【Windowless Design】Featuring a windowless blank design, it is suitable for mass printing of envelopes for multiple copies of business mailings, as well as for quick handwritten addresses at home. Also protects your important data and is suitable for business checks, invoices, documents and more! 【Rapid Self-sealing】Our windowless envelopes are designed with a strong glue seal that is quick and easy to use. Tear off the anti-stick strip to seal the envelope, preventing the contents from falling out and keeping the package intact during transportation, perfect for checks, letters, invoices, statements, wedding, personal notes, etc. 【50 Pcs #10 Business Envelopes】You will get 50 pieces of rectangular flap envelopes, enough for your daily use and replacement needs; You can also share them with your families, friends or neighbors, which will bring you more fun 【Wide Application】This #10 business envelopes can be applied for business checks, invoices, documents, weddings, baby showers, graduations, birthdays, bridal showers, parties, etc.; They can express your wishes and love to your family, friends, classmates and share the joy of your special day with them 50 PCS Sage Green Business Envelopes, Business Mailing Envelopes Self Seal rectangular Flap