From Bugaboo, this bumper bar features: Best accessory to provide some bonus security to your baby's journeys The handlebar attaches to the stroller's frame in one easy click, so that your curious toddler can grab onto it as they explore the world in your Butterfly 2 This item contains the Bugaboo Dragonfly & Butterfly 2 bumper bar Includes adapters for Bugaboo Butterfly 2 Imported.