For today only, a 20lb., case of 5000, 8 1/2" x 11" Sheets of Sustainable Earth by Staples Copy Paper drops from $54.99 to $19.99 with free shipping at Staples.com. Even better, rewards members can get 5% back, which can be used on future purchases. This is the best price we could find on this amount of copy paper by $12. Each sheet is the same quality of standard copy paper, but made with the high renewable resource, Sugarcane fiber. Sales tax is charged in most states.