Blue Summit Supplies 1099-NEC Tax Form Envelopes, Self-Seal, 500-PackOur 1099 NEC envelopes will perfectly fit computer printed 3 part tax forms. 1099 NEC forms are formatted 3 per page for, and these new small 1099 form envelopes will fit the 3 up forms perfectly. Your pre printed 1099 NEC laser forms will line up perfectly in the windows of our 1099 envelopes when printing from QuickBooks or similar accounting software. Recipient and return address will align perfectly in the window, with no worry about the personal