1.Expandable Yet TSA-Approved Size: External dimensions including wheels and handles: 30.8*17.2*14.4in (expanded: 30.8*17.2*15.4 in). Internal dimensions: 27.6*16.1*13.7 in (expanded: 27.6*16.1*14.7 in). Weight: 13.8 lb. Total capacity: 115L (expanded: 125L). Even when expanded, this larged checked luggage stays within standard airline check-in size, offering extra space without extra hassle.2.Deep Compartment for Bulky Items: 3:7 split trunk suitcase design creates a deep compartment ideal for storing large or irregularly shaped items like boots, down jackets, or helmets. Perfect for family trips, long vacations, or international travel where versatile packing is essential.3.Spring-Loaded Wheels for Smooth Travel: Built-in spring system absorbs shocks, reducing bumps and noise while gliding smoothly across various surfaces. Durable, silent, and easy to maneuver, this is a 30 inch luggage with spinner wheels that works well through airports, streets, or uneven terrain.Durable 100% Polycarbonate with Reinforced Corners: Crafted from 100% polycarbonate, this polycarbonate luggage, using a 4.material stronger and more impact-resistant than ABS, protects your luggage from compression and drops. Four aluminum alloy corner guards shield vulnerable edges, extending suitcase life.5.TSA Lock & Anti-Burst Zipper Security: TSA locks for luggage (TSA-approved lock) allows hassle-free customs inspections without damage. Reinforced anti-burst zipper provides tight sealing to prevent breakage or forced opening, keeping belongings throughout your journey.Trunk-large 28-inch,Trunk-large 30-inchGeometricPC