Skyway Sigma 5.0 21-Inch 4 Wheel Expandable Carry On, Forest Green The spinner wheel system provides exceptional mobility whether you push, pull or walk alongside your case. Retractable, multi-locking ergonomic pull handle adjusts to the most comfortable height for you Adjustable tie-down straps keep clothing in place. Expands up to 2 inches for extra packing space. Full length zippered mesh utility pocket is perfect for separating clean clothes from laundry while traveling Reinforced top and side carry handles provide additional assistance when lifting your case into the overhead bin or off the baggage carousel Oversized self-repairing zippers and ergonomic zipper pullers are travel tested to ensure durability. 5 year limited warranty 21 x 15 x 10