Dimensions: 7W x 11D x 12.5H in.. Constructed from polyester. Choose from available NBA teams. Features water-resistant insulated interior. Includes expandable pockets. Tailgate snacks, picnic lunches, quick pickups from the store â€“ itâ€™s all totally totable in the Picnic Time PTX Cooler Backpack. Crafted with polyester fabric and a fully insulated waterproof interior liner, this backpack has a variety of expandable pockets and a front-mounted stretch cord. Itâ€™s the perfect all-around pack on the go, emblazoned with the available team logo of your choice. Color: Navy.