Recycled Plastic Envelopes 6"x9" - pack of 100 Regular price: US $15.20 Sale price: US $10.20 Forest Saver Envelopes 6x9 US $0.45, 100/US $40.00 Envirotech brown clasp 6 x 9 40% post-consumer recycled envelopes - pack of 6 (19714) US $1.80