Four multi-directional spinner wheels rotate 360 degrees for easy maneuverability. This luggage allows you to pack more while avoiding the excess weight surcharges imposed by most airlines. You'll love the modern internal aluminum telescoping handle with push button handle. These bags feature an interior mesh lining, and zip pocket and elastic pocket 20" x 14" x 9" weighs 9 lbs 24" x16" x 10" weighs 10 lbs 28" x 18" x 11" weighs 11 lbs.X