eBags Mother Lode Mini 21" Wheeled Duffel (Red) Large upper main compartment measures 21 x 14 x 4.5 and has the following features: Full-size U-shaped zippered opening for easy loading. Opening measures 13.5 x 11 10 heavy-duty nylon coil zipper with lock-ready sliders Zippered mesh pocket under the lid is pleated and measures 12 x 10.5 Fold-up wings on two interior walls provide amazing rigidity, providing shape and stability, allowing the bag to stand upright