Roll top and buckle closure, Constructed from 210T Grid Cloth with PVC backing, 2 adjustable and removable shoulder straps to convert from backpack to duffel. Thick rubberized top handle provides comfort and durability for large loads, Main compartment is 100% waterproof and keeps contents dry during inclement weather and wet conditions. Clear front zip pocket is water resistant provides easy touch-screen accessibility for electronic devices (device shown not included). 10.25″ D x 10.25″ W x 22″ H