Ricardo Beverly Hills Del Mar 21-inch 4 Wheel Expandable Wheelaboard, Sapphire, One Size Minimize effort and strain on arms, shoulders and back. Utilizing our reliable, smooth-rolling spinner wheel system for 360 mobility, move in any direction with exceptional ease Zippered mesh pocket is ideal for keeping your packed items organized, large dry pocket perfect for separating laundry or toiletries Ergonomically designed handle system is durable and reliable for trouble free use. With multiple locking stages, adjust to the height that best fits your needs, adjustable tie-down straps to help keep items safe and secure during travel 10 year limited warranty, we put our components and materials through a battery of tests to ensure durability and reliability 21 x 15 x 10