Heys Xcase Spinner Black 30 Inches Made of polycarbonate composite and has a zipper-released expansion system that allows for an extra 25% in packing capacity Features a fully-lined interior with divider, buckled compression straps and zippered pockets Lightweight aluminum push-button telescopic handle system with multi-stage locking heights Four Japanese-made 360 Degreeswivel wheels allow for effortless motion in different terrains 30x19x13