Brand: ROCKBROS Product size: approx. 4L Product type: rear rack bag Closure: zipper Special features: high visibility Position of rear rack Capacity: 4L Material: TPU + 840D nylon, polyester + PVC + PU Features: high visibility Weight: approx. 249g Sport/Activity: cycling Size: 30 * 17 * 12cm Color: black Theme: rear rack bag Safe riding: The top cover has an elastic band for more storage options. Large capacity: Our bike rack bag is designed with multiple compartments and offers a large capacity for everything. Adjustable straps: This waterproof bike bag is equipped with adjustable straps for easy installation. Separate storage: The zippered pocket on the top is great for wallet, keys, phone, etc. when you go for a ride.