Material:Invisible Nylon Ripstop+210D Nylon+SBS zips+Nylon webbing                         

Size:31.5cmx15.5cmx43.5cm   (Price not include LED)

Product Feature: 

1. SAFETY IS OUR GAME - Combat the aggressive rush hour drivers with this simple-to-use cycling safety backpack. Equipped with bright flashing LED turn signals and warning flashers that properly alert nearby drivers of your presence.
2. SIMPLE REMOTE - Who knew four buttons next to your handlebar is all you need to make sure you’re safe when cycling. The adjustable remote fits to any handlebar and is quickly controlled with a directional swipe.
3. LIGHT AS A FEATHER - At a mere 0.8 LBS, this backpack was specially engineered to be virtually weightless. With a few simple folds, this jacket can be compressed down to small sack for easy and compact transportation.
4. TOUGHER THAN THE ELEMENTS - Each backpack is constructed with a cross grid nylon fabric allowing it to be breathable, lightweight, waterproof and extremely durable.
5. RECHARGEABLE - The front LED screen and the remote are both reachable with a single charge run time of 20 hrs.