A trunk bag with a thermal-lined main compartment and multiple organizer pockets.Features:600D water-resistant recycled fishnet Polyester Washable reflective interior Universal Velcro attachment system attaches to top of rack Rear zippered pocket and side mesh pockets Carrying handle for off-bike use 3M reflective accents 11.8in x 5.9in x 7inSpecifications:Defined Color: Gray Color: Gray/Black Weight: 414 Primary Material: 600D Polyester Waterproof: No Number of Compartments: 2 Access Style: Zipper Volume: 549