Do you ever wish a bicycle seat bag which doesn't need rain cover, and do not worry water leaks from zipper when you cycle in rainy days?
Roswheel waterproof bike saddle bag is a great choice for you! You can put your cell phone, wallet, bicycle front light, tail light, keys or repair tools in the bag. 
Features:
- EXCELLENT WATERPROOF PERFORMANCE: Made of PVC net clamping cloth, provides the best waterproof performance to protect your valuables from water, dirt, and dust. Adopts high frequency welding technology, durable, cold-resistant, age-resistant, solid and easy to clean.
- REFLECTIVE TAPE: Bike under seat bag pouch with reflective tape on both sides, help with night time visibility, enhancing safety while cycle at night. With Smart Taillight Hanger on the seat bag for additional safety lights.
- NEW DESIGN OF THE BAG SEAL: U-shaped and roll top unique design, with velcro buckle design on both sides, no zipper any more, prevent water or rain from entering the bag. It's easy to rub it dry. Excellent air-tightness and safe to storage belongings.
- LIGHTWEIGHT AND ADJUSTABLE VOLUME: Just weight 0.39lbs/180g, without burden to your long ride. Storage space(2-3L) is free accroding to your need, can store your wallet, cell phones(less than 6inches screen), earphones, keys, front light, tail light, repair tool kits etc..
Specifications:
Type: Bike saddle/seat bag
Material: Waterproof PVC net clamping cloth
Color: Classic Version, Upgraded Version (Optional)
Installation: Strip with buckle, velcro straps
Capacity: 1.8L Approx.
Size : 7.3 *4.3 * 3.5in/18.5*11*9cm(L * H * W)
Weight: 0.39lbs/180g
NOTE:
Velcro buckle design, you should roll the opening mouth of the bike saddle bag and buckle together before use. The capacity of the saddle bag can be adjusted according to the rolling times.
Package Included:
1 * bike saddle bag