Size is L. [Lightweight and Large Capacity Suitcase] Redesigned side hooks for easy bag hanging. Improved and reinforced case structure to minimize clutter and maximize the internal space of the carry case. The shell is made of ABS+PC material, which is scratch-resistant and lightweight. [Large Aluminum Frame Suitcase] The frame structure closes securely, which is more convenient and safer than zippers. The frame material is made of aluminum, which has excellent strength and impact resistance. Combined with the hard shell case structure, it provides a stable storage space and prevents damage to luggage due to deformation of the carry case. [With International Certification TSA Lock] (*The lock hole is for airport staff only. The key will not be given to the purchaser as it is for customs clearance only) By using a digital combination code, it provides a more convenient locking method while ensuring privacy and security. [Quiet Double Casters] All tires of the carry case use 360-degree rotating silent casters. Therefore, the luggage slides lighter and smoother. The new generation TPE material is used, which has excellent shock absorption performance, vibration and noise reduction during running, and excellent stability of the carry case on rough roads.