Shipping Weight: 10 lbs Environmentally friendly substitute for clear front covers including 5, 7, 10, and 15 mil acetate. These are available in 15mil, 23 mil, and 35 mil. These are transparent covers made from 30% to 75% post consumer waste including discarded milk jugs, etc. They may have some defects and marks in them just like all products made from post consumer waste. % of post consumer waste (PCW) by product follows: 15 mil 30% PCW 23 mil 70% PCW 35 mil 70% PCW