DAOFENG Ultra Lightweight Packable Backpack Handy Travel Hiking Daypack Foldable Camping Outdoor Backpack 20L (Blue)

Taking this on a backpacking expedition so that I can carry basic necessities on side trips without carrying all my gear. This is perfect. It wraps up in its own carry pack that doubles as the outside backpack pocket. Bundled up it is small and lightweight, which is perfect for what I need.