Durable Shell The suitcase is made from a multi-layer composite polycarbonate material by Covestro, making it strong, durable, and pressure-resistant. Anti-Burst Zipper Equipped with an extra-strong, double-row-teeth zipper for enhanced security and smooth operation, even when the case is fully packed. Smart Access Features an upgraded 4:6 opening ratio and a simplified front compartment for easier packing and access to items. Wheels and Handle Includes larger-diameter, smooth-rolling TPE rubber castor wheels for easy and quiet movement, along with an integrated telescopic handle for comfortable carrying. Functional Design A flat top design provides a stable surface for working or relaxing. Lining and Security The interior features antibacterial fabric lining, and the exterior includes a combination lock with a TSA lock for customs security, reports TechPunt.