Trolley Travel Bags:Pure Impact PC,Shiny black dot surface,Ultra-light design,All Styles can ... of heat-resistance,solvent-resistance and high impact resist Pure PC (polycarbonate)•Size:20"/24"/28"•Surface:Shiny Black Dot surface ... handles•Wheels:Four free-rotary wheels for easy maneuvering•Lock:Coded number lock,TSA available •Packaging:1pc/bubble bag,3pcs/set,1set ...