Splash-proof double zipper. Polyester 600/300 with welded seam Front strap attachment Mesh fabric pockets on both sides of the exterior Large capacity Two mesh fabric pockets inside the bag Foam base to protect the frame and reduce noise Compatible with bolt on mounting Anti-slip base This soft sided bag has a double zipper for easy access to the large compartment. It also features mesh pockets to organize your food/devices and other essentials. The robust construction helps it hold shape and it can easily be attached to your frame with straps, zip ties or direct mount bolts.