Made of durable water resistance 600D rip-stop Nylon. 3 Independent Large Compartments. The front pocket has a headphone port is also available so that you can listen to your music while keeping your phone in the pack. 14.1" L x 3.9" W x 5.5" H. Adjustable waist strap (fits up to 45") with quick release buckle. Adopts tough and heavy duty rope of zippers, sturdy, easy to slide and working smoothly. can water resistant for drops or splashes, but do not take it into the water.