• COMPOSITION：This backpack set includes a 75L Internal Frame Backpacks with rain cover and a 2.5 Liter Leak Proof Water Bladder.
• Hydration Compartment：This hiking backpack with hydration compartment and can hold a 3 Liter bladder , the tube is fed through the top side of the bag near grab handle
• MOLLE Webbing：This is a military tactical backpack that You can hang on tools,trekking poles,tents,sleeping bags,and other outdoor gear by the molle system，A rifle also can be hanged with the side strap and side pocket
• Side Pocket ，Quickly Access：This camping backpack with 2 side pockets,8"*8", and 2 bigger pockets ,7.5"*13.8",that can hold water bottle or camping、survival gear，The backpack has large zipped access at front that can quickly access to the main compartment, opend as a 15.6" luggage
• Notice：Screw cap of the 2.5L leak proof water bladder should be securely closed as tight as possible to avoid potential leaking，Twist the lid clockwise to fasten it tightly until the lid can not move any further under force