Louis Garneau Middle LG - Race Bag The main opening with water-resistant zipper protects your things from water and road grime. The Middle LG-Race Bag is made from water-resistant polyester fabrics and features plastic piping around the edges. Features an adjustable hook and loop strap attachment system that fits all types of seat posts and saddle rails. Features an inner hook for keys and a mini-light rubber tab with LED light for safety. Maximum capacity is 1L. The bag measures 5.75in (14.5cm) in length, 2.75in (7cm) in height, and 1.75in (4.5cm) in depth.