Envelope-#10, High Efficiency, Side Seam 500/Box - 1045440FSC
Supremex #10 high efficiency envelopes. 4-1/8" x 9-1/2" made from 24lb paper. Angled flap and 1/2" throat dimension for improved throughout for optimum efficiency. FSC certified. Plain. Outside side seam. White. 500/box.