9" x 12" Envelopes are the largest size of envelopes available in UPrinting. These envelopes can be used for putting multiple flat materials such as magazines, brochures, booklets and other forms. These can serve as "kits" where all the essential documents can be inserted to.
Here at UPrinting, 1-color envelopes are printed in a 24 lb. white paper with a black, reflex blue or standard red ink. Quantities range from 250 to 100,000 and can be ready to ship in 2 to 3 business days. On the other hand, full color envelopes are printed on premium 70 lb. uncoated white paper. Quantities range from 250 to 20,000 and can be ready to ship in 4 to 6 business days.