1.5L/2.5/4L Waterproof Bike Saddle Seat Bag Size:2.5L which ensures the fastness and

which ensures the fastness and protects the frame from wear

Aluminum alloy

Material: Encrypted double layer thick fabric(600D oxford cloth+300g Non-woven fabric)

5L waterproof top tube bag - K30

1.5L/2.5/4L Waterproof Bike Saddle Seat Bag Size:2.5L which ensures the fastness andMaterial: PVC. Are you worried about the wearther during your trip? With it, don't worry if the bag falls into the water. High frequency process seamless welding technology and waterproof material when clearing, just need to rinse with water and wipe a towel is available. Strong fixing strap, anti friction and anti skid: More banding design, add non skid leather to all positions of contact seat, effectively increases resistance and decreases slip. Add