ABS Material: Durable Construction: Your contents will be safeguarded during your travels, the hard outer shell is made from strong, anti-scratch, and water-resistant ABS material, designed to withstand the rigorurs of modern transportation and airline handling. Anti Theft TSA-Approved Lock: Integrated combination or key locks approved by the Transportation Security Administration (TSA) to secure your belongings while allowing TSA agents to inspect your luggage without damaging the lock. Telescopic Handle: A sturdy, adjustable handle that retracts into the suitcase for compact storage and extends for comfortable pulling or pushing. Smooth Glide Wheels: Tested for endurance and longevity on various surfaces and conditions, it features 4 spinner wheels for full 360 maneuverability. Size Includes: This lightweight Set of 3 Suitcase comes in 3 different sizes for a variety of travel occassions. 20in (38 x 23 x 55cm), 24in (45 x 27 x 67cm) and 28in (50 x 31 x 77cm).