Po Campo Uptown Bike Trunk Bag polyester Imported Securely straps to bicycle rear rack with four velcro straps Detachable and adjustable shoulder strap for converting bike bag into crossbody bag Vegan, weatherproof fabrics to keep your stuff dry in the rain 2 exterior pockets and 4 interior pockets, including a padded pocket for your iPad or tablet Reflective accents for extra visibility in the rain 1 internal zippered pocket 1 internal padded tablet/iPad pocket 2 internal organization pockets 1 exterior zippered pocket Exterior shoulder strap pocket