Waterproof / Large capacity / Reflective / Durable material. This pannier bag is perfect for your cycling and biking life. 

Bike Pannier, Waterproof Adjustable Large Bike Rear Bag Bicycle Cargo Rack Cycling Accessory for Mountain Road Bike

Keep Everything in Order & Under Control
The roll-up closure with buckle allows the capacity can be adjusted from 20L to 25L, which is spacious enough to hold all of your cycling necessities like shoes, thin clothes, raincoat, toiletry bag, phone, power bank, water bottle, bike repairing tools, etc.
Safe & Secure
1000D polyester and waterproof PVC materials allow the bicycle pannier fully waterproof and wear resistant, ideal to protect your belongings form raindrops, dirt, dust and scratches, while the 2 big reflective pads on both sides of the storage bag make you visible in the dark and effectively ensure your safety for night cycling.
A Must-Have for Cyclists
The smooth surface of this bike pannier allows it easy to be cleaned by wiping, so all the dust, mud and dirt can be easily removed, it is a perfect gift for cyclists.
Specifications
Size: 11.4 x 6.1 x 17.7 inches / 29 x 15.5 x 45cm
Weight: 2.1lb. / 950g
Shoulder Strap Range: 24.8-46.1 inches / 63-117cm
Package Include
2 x Bike Pannier Bags