DAWAY DW-A43 Waterproof Mountain Bike Seat Pack Rear Saddle Bag Under Seat for Cycling Traveling REFLECTIVE STRIPE DESIGN AND EYE-CATCHING GREEN TRIM! When you are riding at night, light shines on this bike saddle bag, it will be reflective, increases safety at night. WATER RESISTENT! DAWAY A43 bike saddle bag is made of high quality waterproof fabric and zipper. Riding in rainy days, you also don't need to worry about the things inside bag was wet. HIGH QUALITY HARD SHELL FABRIC MATERIAL! This bike saddle bag is made of high-grade silicone material. Hard shell, smooth lines, even an empty bag, and looks very full and stylish. PORTABLE DESIGN! Anti-skid zippered pocket and special velcro strap design with this bike saddle bag. It's not only very easy to take out items, but also very easy to install under bike seat or quick release from bike seat. LARGE CAPACITY SPACE! This bike saddle bag can store your items, such as multi-tool kit, tire patch kits, keys, cell phone, snacks, and etc. Very convenient.