TPU coated 900 denier fabric for weatherproof protection and rugged durability Hybrid design with polycarbonate bottom for lightweight impact protection Externally mounted trolley handle with seamless, push-button grip with telescoping aluminum handle system for comfortable handling Lightweight 85mm molded wheels with TPU over molded smooth-rolling tire Bottom molded bumper that doubles as a grab handle Top molded grab handle with reinforced sewn webbing handles on each side Gregory Alpaca 40L Water-Resistant Adventure Travel/Gear Organization Wheeled Duffle Bag with Packing Cube Included