Environment Desert Storm 8.5" X 11" 80lb Cover Stock Paper- 20 Sheets Per Package 20 sheets of 8.5" x 11" 80lb Desert storm cover stock Environment Desert Storm is Recycled 100% Post consumer waste When you need a paper that demonstrates your commitment to our ecosystem, but can't afford to sacrifice quality, turn to Environment. Acid Free, Lignin Free, PH Neutral, ECF/PCF, Archival Properties.