Columbian No. 10 Poly-Klear Window Envelopes

See-through window eliminates the need to address the No. 10 envelope. 1-1/8" x 4-1/2" window is positioned 7/8" from the left and 1/2" from the bottom. Envelopes feature 24 lb., white wove paper with diagonal seams.

Columbian No. 10 Poly-Klear Window Envelopes - Single Window - 4 1/8" Width x 9 1/2" Length - 24 lb - Wove - 500 / Box - White