The Mutsy Deluxe Raincover is designed to fit the seat that is included with your 4 Rider Stroller. Side vents keep air circulating while the form-fitting cover keeps your baby comfortably dry in all kinds of weather. Don't let yourself be trapped at home by a little rain; get your errands finished with less stress in the winter, or enjoy a springtime stroll without worrying about sudden showers when you add this clever accessory to your 4 Rider!