Heys Kids' Marvel Tween Spinner Avengers Created by Heys with the unique characteristics of children in mind, incorporating several design features that benefit children Lightweight push-button telescopic handle system with multi-stage locking heights 360 degree spinner wheels allow for effortless motion in different terrains Features a fully-lined interior with zippered divider, buckled compression straps and zipper-released expansion system allowing for an extra 20% in packing capacity 20x13x9