A pannier you can lock to your bike, that's waterproof and means you don't have to drag everything with you everywhere you go? Yes please. Not only do Overade make clever foldable helmets but they also make this clever bike storage bag you can leave you helmet in, if you need too. A pannier is already one of the only good ways to get your shopping home on your bike. This 15ltr version will also hold your (dry) raingear, library books and laptop if you need it to. It has a rolltop so you can expand it on those days when you run in to get one thing and come back with half the shop.  What's it made of?Waterproof PVC Canvas, anti cut fabric, 12mm cable lock with 4 digit combination lock. How does it come?On a card hanger. Bag is 15Ltr and cable is 58mm.