Harley Davidson 17 Inch Overnight Carry-On with Spinner Wheels, Steel Gray, One Size Molded of light weight and super strong polycarbonate shell Each case has eight 360 degree spinner wheels that allow the bag to stand up and be wheeled, turned, and maneuvered more easily in crowded areas Includes a TSA approved combination lock Hidden , adjustable, telescoping pull handle Fully organized interior with fabric curtains and tie-down straps