It is a great combination of minimalist and functionality. Having a hard shell of ABS plastic, the luggage set not only boasts incredible durability but also absorbs impact under stress. The polyester-lining interior has compartments offering neat organisation for your stuff as well as fast access to them. In addition to the lightweight design, the travel suitcases have 360-degree dual spinner wheels for effortless and smooth mobility. This travel luggage set is equipped with a TSA approved secure combination lock for the ultimate safety of your belongings. Other excellent features contain corner guard protectors and a retractable trolley system. ; TSA approved lock Aluminium pull rod Expandable 28" piece Top and side handles 4 base feet ;protectors Lightweight design Secure combination lock Smooth 360 degree dual wheels spinner Built-in retractable trolley system 20" and 24" pieces can be easily stored in the 28" piece. Comes with two non-woven fabric covers Brand Buon viaggio Materials ABS Shell Interior Polyester lining Handle Aluminium Product Dimensions(LXWXH) 20" 36cmx23cmx57cm approx. 24" 44cmx25cmx63cm approx. 28" 49cmx31cmx74cm-98cm approx. Product Weight 20" 2.6kg 24" 3.3kg 28" 4.2kg Weight Capacity(approx.) 20" 40L 24" 65L 28" 100L Colour As shown on the picture