Features For your little one's extra comfort, you can choose to add an elegant bumper bar With just one hand it's easy to use, and you're ready to continue on your way For an extra cozy & safe feeling Easy to open with one hand on both sides Attach toys Can fold with Joolz Aer+ (sold separately) Easy one-hand fold Two-hand release buttonSpecifications Compatible with the following (sold separately): Joolz Aer+ Lightweight Stroller