http://www.furniturerig.com/item/14624/sparco-double-window-white-wove-envelopes/ Sparco Products Envelopes & Mailers SPR09272 Economical white commercial envelopes feature double windows. 24 lb.Packaged Quantity 500 BoxProduct Type Double Window EnvelopeMailerEnvelope Size 8 58, 3.63 Width x 8.63 LengthWindow LeftBottom LeftColor WhiteRecycled NoRecycled Content 0%Postconsumerwaste% 0%Assembly Required No
