Attaches to a bike at the front and comes with attachment part. (shown in one of the photos). Seatbelt inside for one child. Includes snap shut plastic cover, as well as a screen covering. Can also be used just as a stroller. Great also for winter walks, due to big wheels. If interested, please email me at iloverunning99@gmail.com ,or send me a text at 306-502-0791.