When you're a frequent traveler, every little pound you can shave off your load helps. Which is why Zero Halliburton ZRO Luggage is designed to be as light as possible. It's made from lightweight, shock-resistant Makrolon polycarbonate, with structural ribs for added strength and a scratch-resistant texture. Also on the outside are dual spinner wheel at each end for maneuverability and an Lock Cover that protects both the combination wheels and the zipper pulls, while inside are two fully-lined compartments with multiple pockets for organization. Available in three different hues and four sizes, ranging from 20-inch carry-on to a 28-inch travel case.