Sparco Satellite Bag is a wheeled carry-on or a backpack thanks to hidden shoulder straps. Looking for an airline friendly bag? The Sparco Satellite Bag is for you. This trolley bag is perfect for a racer's traveling requirements. The large single compartment features 600 polyester fabric with synthetic leather trim accents. Sparco thought of everything by having a hidden exterior pocket that is removable and hides a shoulder strap for use as a backpack.