The Joovy Groove Ultralight is made with lightweight aluminum. It can hold a weight of the baby up to 55 pounds.

The constructions of the stroller are robust. So the frame does not flex inward when you kids become heavier. Some ultralight stroller inclines to do so. Further more visit here-http://www.strollered.com/joovy-groove-lightweight-travel-umbrella-stroller-review/