Topeak wedge aero iglow waterproof zipthis topeak wedge aero iglow waterproof zip saddle bag is aerodynamic water repellent and fits snugly under your saddle featuring iglow technology for enhanced safety at night and low visibility conditions this bag will improve your visibility to other road users an innovative quickclick system allows you to mount and remove quickly a full length zipper secures your food phone wallet tools and other essentials featuresmaterial 1000 denier nylon3