1.GENEROUS DESIGN The extralarge 2 litre capacity made of high quality water resistant materials effectively withstands sudden rains whether in the mountains or on the road. Keep your items dry and . 2.Safer driving at night: the bag body is equipped with luminous reflective strips in many places (zippers, elastic bands, etc.). These effectively warn oncoming vehicles at night or in low light conditions, increase driving . 3.More convenient storage: there are separate mesh pockets on both sides of the interior, which can sort small items and keep them clearly. The use is faster and more efficient and ensures a quieter and clearer driving experience. 4.EXTENDED ADJUSTABLE SHOULDER STRAP The extended adjustable shoulder strap is up to 66 inches long. The reflective design of the shoulder strap increases and facilitates portability. So you can wear it comfortably anytime and anywhere.