ROSWHEEL Cycling Bicycle Bike Rack Bag BLUE Seat Cargo Bag Rear Pack Trunk Pannier Handbag Back Frame Pannier Backseat Bag Outdoor U-shaped zipper,Easy to collect items. Easy to be removal and mount on all types of bicycles. With carrying handle and adjustable shoulder strap. Suitable for a variety of models. Solid structure with PE cotton padding. It's not easy to fade and out of shape. Internal patch pocket design, to ensure that the package space effectively be used. Inside sandwich layer protects your small items.