The Drive Carry Bag is designed to fit transport chairs up to 19" wide, including the 750NB rollators and the SL18 Folding Transport Chair. The carry bag is perfect for taking your rollator or transport chair on long trips, as it fits conveniently into an airplane overhead bin or car backseat. This rollator bag is made of strong, durable, black nylon with a convenient shoulder strap and side pocket. The stylish "Ready, Set, Go!" logo makes this bag truly unique.