Polyester construction Internal deluxe retractable push-button, Self-locking handle system for easy maneuvering Piggy-bag-strap for easy-carrying the tote bag together Elegant fully lined interior with tie-down straps and large interior meshed zipper pocket Expandable feature that offers more packing capacity.Inline skate wheels, reinforced wheel housing.Adjustable and detachable non-slip padded shoulder strap on tote.Dimensions : Tote Bag measures 14"W x 10"H x 6"D and the rolling bag measures 21"H x 13.5"W x 7.5"D