1) Space Expansion: Enjoy up to 25% extra packing space with the innovative space expansion from the middle, while maintaining stability.2) Superior Wheel Control: Enjoy smooth navigation with superior wheel control, backed by constant design and testing that leads the industry.3) ABS Shell with Tan Details: Durable ABS case with elegant tan handles, zippers, and wheels, combining robust protection with sleek, stylish design.4) 10-Year Warranty: Rest assured with a 10-year warranty, providing a decade of reliable use for your travel needsLarge - 79.5 x 55.5 x 34cm + 7.6cmMedium - 69.5 x 48.5 x 30cm + 7.6cm,Cabin - 53.5 x 36.5 x 25cm + 6.4cm,Vanity - 27.5 x 35.5 x 18cm.Material-Plastic