Heys Xcase Spinner Black 3 Piece Set Made of polycarbonate composite and has a zipper-released expansion system that allows for an extra 25% in packing capacity in the 26 and 30 inch 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