#10 Single Digital Window Envelopes - 2500 Bulk Box - 4 1/8" x 9 1/2" - 24lb White - Gummed - Laser Safe for Printing, Single Left Heat Resistant Window for QuickBooks Invoice or Business Mail

#10 Single Digital Window Envelopes - 2500 Bulk Box - 4 1/8" x 9 1/2" - 24lb White - Gummed - Laser Safe for Printing, Single Left Heat Resistant Window for QuickBooks Invoice or Business MailYou may also like Staples Gummed Business Envelopes 4 3/16" x 9" White 2000/Carton ST381911-CCVS.