MOUNTAINTOP 25L Foldable Daypack/Lightweight Packable Backpack Travel,Camping,Hiking,School,Sports-Ultralight Handy 25L (1,500cu in) folding daypack for short hiking and camping Collapsible, small and packable enough to put into the inner pocket The self-packing pocket (HLW:7.5*7.1*3.5 inches) becomes a valuables pocket when the daypack mode is deployed Fabric: Ripstop nylon; Water-resistant Lightweight design, only 0.46 pounds