2-in-1 bike trailer and stroller with included 1-Wheel Stroller Kit and adjustable handlebar Integrated parking brake for added security and stability while stopped Zippered panels roll up to accommodate optimal pet riding positions Mesh windows offer maximum ventilation Contains recycled polyester and BLUESIGN certified, sustainable materials Integrated parking brake for added security and stability while stopped Large rear tailgate with low clearance for seamless loading and unloading Sturdy, removable floor for easy cleaning Ability to quickly convert to a kennel for training Easily folds down for compact storage and transportation