15L Bike Backpack with LED Turn Signal Light Bike Bag Wireless Remote Control Outdoor Safety Running Night Riding Climbing Hiking Travel BackpackFeature:1. Backpack + turn signal two in one;2. Wireless remote control: convenient and fast;3. Large Area Warning: Improve safety at night. Specification:Main Material: PolyesterProduct Color: Black, Grey, YellowProduct Size: About 400x250x15 0mm/15.75*9.84*5.9inNet Weight: About 260g Capacity: 15LBack Battery: Built-in 500mAh Lithium BatteryCharging Mode: USB ChargingRemote Control Battery: 2*CR2032 Button BatterySuitable Applications: Cycling, Camping, Hiking, Climbing, Hiking, Hike, Daily LeisureNote:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown in the pictures. Please allow 1-3cm measurement deviation due to manual measurement.1 x Bike Backpack1 Set X Accessories