High Sierra Freewheel Wheeled Backpack Book bag with two inline-style wheels and telescoping handle allows you to cruise smoothly from place to place Single-tube telescoping handle stows inside a protective zippered compartment CUSHION ZONE padded computer sleeve holds laptops up to 17 inches Measures 13.5-by-20.5-by-eight inches (W x H x D); constructed of Duralite Ripstop, Waffle Weave, and 600-denier Duralite materials Includes limited five-year manufacturer's warranty The handle system is not designed for 2-stage function. It is not meant to be used in the shorter position and only locks into place in the fully extended position.