Lightweight and Durable: Made of 100% Polycarbonate, which is a material that is extremely resilient to cracking or breaking, with a deep metallic finishSuperior Maneuverability: The double spinner wheels assure exceptional maneuverability and keep ZERO weight on your arm.Largest Capacity: This suitcase expands up to 2 inches for additional packing space. This feature is great for packing sovenirs on return journeys.Maximum Comfort: This carry on bag has a comfortable handle system that locks into two positions for ease of use.29 inches high