Roswheel Cycling Bicycle Bike Saddle Outdoor Pouch Back Seat Bag Material:Inner PE cotton. Reflective design LOGO of ROSWHEEL, fashionable and markedness. The inner of this bag also used the ROSWHEEL special fabric. Simple and easy fixand remove. Clear Internal Structure, Main Carrying Bag, Mesh Bag, Both Sides Belt, All Systems Go. Bag size: 15 * 7.5 * 7cm