Color/material: black lightweight PC/ABS with micro diamond finish Design details: Push Button Locking internal retractable trolley system, Four side studs that allows the luggage to stand upright, Four spinner multi-directional silent 360 degree wheels for effortless mobility 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. Large measures 29.33in x 19.29in x 11.41in Medium measures 25.39in x 16.92in x 10.23in Small measures 21.45in x 14.56in x 8.66in 21.15lbs 10 Year Manufacturer's Limited Warranty Imported Contents of set: 1x large spinner 1x medium spinner 1x small spinner