Bookman Light is a slim, high quality bicycle light set, easy to mount and detach thanks to the elastic pull. It is surprisingly bright despite its size and has an oversized button that makes them easy to turn on and off, even with gloves. The front light attaches to the handlebar and the rear light goes on the saddle pole. Bookman Light fits all different sizes of handlebars and saddle poles. Bookman Light is weather resistant.