This backpack comes with a LED turn light panel and reflective strips to keep you visible and safe at night. It is ideal for cycling, camping, running, walking, jogging, hiking, mountaineering. The backpack has a total of 18L capacity, made of water-resistant and tear-resistant nylon & polyester fabric, and features a USB rechargeable LED turn light panel, adjustable shoulder strap, chest strap and waist strap, mesh panels on the back for maximum breathability and comfort, and stretch mesh pockets on both sides for your umbrella and water bottle.