Foldable Backpack Light Weight and Durable, Solid Dark Blue Backpack Dimensions: 20.5x13.8x6 Made of Durable Twill Nylon with waterproof coating inside. 2 Zippered Pockets - One inside and one outside. One exterior mesh pocket. Perfect item to tuck into luggage for an extra bag. Foldable and reusable. Great vacation or everyday accessory. + TWO foldable water bottles, a $7.98 value (first 100 customers, see photo #1)