Take your kids along for a bike and run on training days with the Joovy Cocoon Enclosed Stroller. It is a stroller-jogger-bicycle trailer all in one. This multi-function stroller easily converts to a jogger and a bike trailer. Kids are strapped in with a five point harness inside the cocoon like compartment that has a zip open/close mesh window. The pneumatic front swivel wheels and 20″ pneumatic rear wheels provide a smooth ride and it has a large rear compartment for storing personal and kids items. It also has dual rear parking brakes and reflectors for visibility in the dark. Folds up compactly for easy storage and transport.