Never used. Been in storage for a year. Looks great. Super useful. It zips down to a flat case. But can zip up to more sections. Convenient & Expandable: This collapsible design weighs only 3.85 lbs! It starts as a compact 15"L x 9"W x 4"H pouch, easily fitting into overhead compartments. Need more space? Expand to a full-sized TSA-approved carry-on (15"L x 9"W x 21"H) with the added convenience of an adjustable cushioned shoulder strap. Organized & Spacious: Main compartment for clothes/shoes, 3 exterior zippered pockets, and 2 interior mesh zippered pockets. Custom-fitted, extra-deep packing cube (14"x9.5"x5") included. Easy Mobility: Four multi-directional spinner wheels for 360° rolling in multiple directions. Durable, water-resistant nylon fabric ensures longevity. Maneuver with confidence, even when fully packed. Versatile & Expandable: Starts as a compact pouch (15"L x 9"W x 16"H) and expands to a full-sized TSA-approved carry-on (15"L x 9"W x 21"H). The adjustable cushioned shoulder strap adds convenience. Shark Tank Approved: AS SEEN ON SHARK TANK: Our innovative TSA friendly packing cubes for travel have gained recognition on the hit show Shark Tank, making them the trusted choice for savvy travelers seeking exceptional organization solutions.