1. Expandable Design: Transform your packing capacity instantly with our twolayer expandable duffle bag that allows you to organize and accommodate additional items while maintaining structural integrity efficiently 2. Organized Storage: Experience superior organization with our thoughtfully designed compartments featuring a waterproof wetdry pocket, spacious main compartment, and multiple pockets that keep your belongings perfectly sorted during travel 3. Detachable Universal Wheel: Navigate effortlessly through any environment with our detachable universal wheel system featuring four 360degree swivel casters that provide smooth rolling motion and can be removed for versatile carrying options 4. Reliable Sturdy: Rely on exceptional reliability with our waterresistant material and robust construction that withstands frequent use, while the foldable design allows for compact storage when not in use, making it great for any journey