trolley luggage 1. high quality and first class design 2. enviromently material 3. lightness and endurable 4.size 20"/24"/28 trolley luggageName:ABS hard shell trolly luggage setMaterial: ABSMold: A8115Size: 20" 24" 28"1. Combines the strength of ABS with the lightness of PC to make this luggage durability,2. An integrated Aluminum frame provides structure, while the security mounted TSA lock ...