Constructed from 210T Grid Cloth with PVC backing Taped waterproof seams Roll top and buckle closure Thick rubberized top handle provides comfort and durability for large loads Includes 2 adjustable and removable shoulder straps to convert from backpack to duffel bag 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).