Folio Cover for Rocketbook Letter Size 8.5x11 – Trifold Notebook Organizer Portfolio Fits Rocketbook Core, Fusion & Panda, Waterproof Woven Fabric with Zipper Pouch, Pen Loop & Card Pockets Letter Size 8.5"x11" is up for auction in Office Products. The current bid is $3.00, 89% below the $26.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.