Lightweight durable ABS hardshell provides great reliability and high-impact resistance. Telescopic handle adjustable to a variety of heights. Top and side carry handles for easy lifting. Zip-around closure with secure 3-digit TSA lock for additional peace of mind. Silent 360 degree spinner wheels allow for effortless maneuverability. Expandable hard-shell increases depth by 20%. Fully-lined spacious interior with tie-down straps and a zippered divider to minimize shifting during travel, and provides ample packing space to meet all your travel needs. The complete 3 piece suitcase set will be shipped with each suitcase inside one another to save space for your convenience.