Expand Function:<br>28in is Expandable add 15% to the scalable space.<br>Tough corner guard<br>Integrated TSA-accepted lock<br>Adjustable telescoping handle<br>Fully featured interior<br>Soft-touch top and side handles<br><br>More:<br>1. Lockable: Showkoo set has a TSA-approved keyless lock to ensure your security and peace of mind while traveling.<br>2. Premium Material: Made of lightweight and durable ABS material, with an impact-resistant shell. <br>3. IATA approved: The carry-on is suitable for cabin luggage according to IATA standard (fits in overhead bins). <br>4. Easy mobility: Super resistant aluminum trolley handle that fits perfectly on the palm and silent and smooth-running spinner wheels for easy mobility. <br><br>