Supremex T4 Tax Single Window Envelope - Single Window - 5 3/4" Width x 9" Length - 24 lb - Wove - 500 / Box
Single-window envelopes are used to carry T4 Tax Forms with a window for the name and address to appear. Envelopes offer an open-side, side-seam design for proper insertion of documents. The 24 lb. envelopes are security-line for your privacy.