Color/material: black lightweight polypropylene Design details: Push Button Locking internal retractable trolley system, 4 dual spinner 360 silent wheels for effortless mobility, Full interior fabric lining with zippered compartment on one side and snap-on elastic cross straps on the other for easy packing, 4 side studs allows the luggage to stand upright , Built-in 3 digit TSA approved combination lock, Top and side ergonomic gel handles for comfortable and easy lifting, Smooth gliding zippers , Suitcase expands 2'' for additional space Interior design details: Full interior fabric lining with zippered compartment on one side and snap-on elastic cross straps on the other for easy packing. Small measures 14in wide x 20in high x 10in deep Medium measures 17in wide x 24in high x 11in deep Large measures 20in wide x 28in high x 13in deep Imported Please note: All measurements are approximate and were taken from a size 37; slight variations may occur.