Supremex T4 Double Window Envelopes 500/box - Double Window - 9" (228.60 mm) Width x 5 3/4" (146.05 mm) Length - 24 lb (10886.22 g) - White - Wove - 500 / Box

Income tax form envelopes offer a standard design with security for easy and confidential mailings of your tax documents. Open-side, side-seam design easily allows proper insertion of documents. Envelopes offer a 24 lb. weight.