The MaxLite 3 is Ultra lightweight. and features a 4-wheel Spinner system that provides a smooth glide with 360 degree maneuverability. A Honeycomb Framing System and EVA foam construction provide exceptional durability while keeping it super light. The built in Protective skid guards. corner guards and crash-guard wheel housings protect against potential damage during travel and the Airline-grade Telescoping aluminum handle with two stops at 38 inch and 42.5 inch ensures a comfortable roll for users of different height. Limited Lifetime warranty