Heys Lightweight Pro Purple 21 Inches Made from 100% pure polycarbonate with a durable scuff-resistant, diamond-emboss textured surface Features a fully-lined interior with zippered divider, buckled compression straps and zippered pockets with zipper-released expansion system allowing for an extra 20% in packing capacity Top handle and lightweight aluminum push-button telescopic handle system with multi-stage locking heights 360 degree spinner wheels allow for effortless motion in different terrains 21x13x9