Free Knight Packable Lightweight 2-in-1 Backpack/Duffel Pack Lightweight compact packable day pack Converts and expands from a backpack to a duffel bag for more carry capacity. Zippered pocket for quick grab items. Breathable mesh shoulder straps, bottle holder on the both sides Material:Water-resistant Nylon Fabric; Dimensions: Unfold:17x9.6x9.6inches ; Compact Pouch Size:9.6x9.6x2.0inches