Lightweight Durable polycarbonate composite construction High performance Multi directional wheels Smooth action aluminum trolley system Expansion feature on 26 and 30 styles Soft touch carry handles TSA approved combination locks Self repairing EZ-Zippers Features. Roomy Split opening design. Printed Smiley Lining. Elastic tie down straps. Divider curtain for maximum organization. Large mesh and small lining storage pockets. 5 year Warranty Specifications.