Your 2022 1099 NEC Forms Will Line Up Perfectly 1099-NEC forms are now printed 3 to a page, so your NEC forms will no longer fit in the old 1099 envelopes for 2-up forms. This pack of new 500 NEC form envelopes will fit your pre-printed 3 part 2022 1099-NEC forms perfectly. Envelope dimensions of 3-13/16” x 8-3/8” designed to fit 1099 NEC forms printed with QuickBooks or other accounting software Top window measures 3-3/8” x 7/8” and placement is 1/2" from left edge of envelope, and 2-1/16” from the bottom edge Bottom window measures 3-3/8” x 1-1/16”, with placement 1/2" from the left edge and 11/16” from the bottom edge Tapered peel and seal flap measures 1-3/16” deep for a strong and secure seal, no licking or moistening required thanks to the permanent glue strip under the protective tape that is easy to peel away Strong Security with a Professional Look It can be frustrating to purchase envelopes only to find them flimsy enough to have you worried about their durability during transit. Our envelopes are made of 24 LB White wove paper that will provide a professional look from the box all the way to your destination, while our dark black security tint lining will protect the contents from prying eyes.