Impress your recipients with professionally printed color personalized envelopes. Add your company logo and address to your letter size envelopes for mailing, letters, invoices and more. Turn plain white envelopes into business envelopes with personalized color logo and return address. Order bulk envelopes to save time and money. Available in full color or black and white. Choose the gummed or the #10 security envelopes peel and seal. The self sealing envelopes have added security tint and are great when you don't have an envelope sealer. Perfect for bulk mailing invoices, letters and statements with an easy to read 4-1/2 X 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the #10 envelopes Easily display addresses and business information in your white envelopes letter size. No more hand addressing and slow printing with envelope mailers and window envelopes self seal #10. Customized & Windowed Commercial #10 gummed or peel & seal business envelopes with color logo printed in the location of your choice. 4 1/8 by 9 1/2 inches with personalized address.