Out shell:use Oxford 600D two sub-grid

25*36*25CM super capacity.hide by high-

Level,fit difference helmet to need use

In tune waterproof to put map bag.

Convenient long distance travel.magnet two wings,it can pay in motor fuel-tank

As fuel-tank bag,and have two arm bag

fuction,make you travel convenient.the bag folder cotton design,effective to stop the inpact,protect in the item well

another rain water enclosures.two wings

map waterproof fuction can individual use

the reflective can good for drive save