Joolz Aer+ Foldable Bumper Bar Black Carbon It’s nice to have something familiar to hold onto when you’re venturing out into the big wide world. Hang your little one’s favourite toys off this elegant bumper bar to make them feel extra comfortable and secure, with a little extra touch of playfulness. The Joolz Aer bumper bar is available in a choice of colours that match your leatherette handlebar and attaches effortlessly to the stroller's frame. It’s easy to use with just one hand, so you can quickly pop it open if you want to pick your baby up. And when it’s time to continue on your way, simply click the bumper bar closed again, and off you go.