SET INCLUDES 21" Carry On (meets carry-on size restrictions for those traveling domestically and looking to stay light) and 28" Spinner (maximize your packing power and the ideal checked bags for longer trips).Number of wheels:4br 10 YEAR LIMITED WARRANTY: Samsonite products are rigorously tested to ensure our products meet stringent standards. This bag comes with a 10-year warranty against defects in materials and workmanship.br RECESSED TSA combination lock provides security when checked belongings, cases expand for added packing capacitybr ULTRA-LIGHT, ultra strong shells withstand the rigors of modern travelbr FOUR MULTI-DIRECTIONAL double spinner wheels allow 360 degree upright rolling so there is no weight on your arm or shoulder.