DURABLE DESIGN: Reinforced PC composite material hard-shell construction and durable lining withstand bumps and impact while protecting contents. LIGHTWEIGHT YET TOUGH EXTERIOR & EXPANDABLE SPACE : Enjoy up to 15%-20% more packing capacity with expandable design,This gives it a larger capacity than a regular 20/24/26-inch suitcase maximizing your packing potential. His carry-on travel luggage is constructed from 3-layer PC composite material, providing high-strength and durability with elasticity and resiliency. The textured design helps minimize unwanted marks during the checking process. SPINNER WHEELS: Smooth-rolling multi-directional spinner wheels allow effortless 360 maneuvering for easy navigation through airports and train stations. INTERIOR ORGANIZATION: Interior mesh pockets, zippered wall pockets, and tie-down straps keep smaller items securely stored and easy to access.