Quality Park No. 10 Window Security Envelopes

No. 10 envelopes feature blue ink inside tint for increased privacy and a window to show the mailing address. The 1-1/8" x 4-1/2" window is positioned 7/8" from left and 1/2" from the bottom. 24 lb., security envelope also features white wove construction, a contemporary seam and gummed flap.

Quality Park No. 10 Window Security Envelopes - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - Wove - 500 / Box - White