Product Detail:
Condition: Brand New
Series: 2017 AS-003
Brand: ROCKBROS
Capacity: About 10L-18L(Note:When open it fully,it can be 18L.)
Color: Black, Yellow
Material: 840D Nylon + Waterproof fabric
Feature:
Large capacity,Waterproof,Reflective,Portable,Easy to clean
Tips:
Box may be damaged by post office in long transit, but bag will be fine. 
If there are only the broken box, bag is fine, we can't refund for you.
Please follow instruction,Incorrect usage will not prevent water from entering the bag
Size
About 28*14*30cm