These Ampad envirotech 6 x 9 envelopes are 100% recycled, 40% post-consumer. Unbleached - natural brown color. Reusable clasp and moisture sealing adhesive flap. Seals at the top of the 6" side. Pack of 6 (unfortunately these don't come in boxes of 110). Eco categories: recycled, less toxic. Note: currently unavailable.