Free Knight Travel Backpack Daypack+ Lifetime warranty Lightweight compact packable day pack Pack-in pocket doubles as interior security pocket Adjustable moisture-wicking Air Mesh backpack straps for a comfortable carry Breathable mesh shoulder straps, bottle holder on the both sides Material:Water-resistant Nylon Fabric Unfold:17.7x10.2x7.9inches ; Compact Pouch Size:7.9x6.3x2.0inches