Heys America Unisex Classical World 30" Spinner Polycarbonate Imported fabric lining Made of a lightweight material composition with a zipper-released expansion system allowing for an extra 20% in packing capacity Features a fully-lined interior with zippered divider, buckled compression straps and zippered pockets Lightweight aluminum push-button telescopic handle system with multi-stage locking heights 360 degree spinner wheels allow for effortless motion in different terrains 30x18.5x13