ROTO GRIP 3-BALL ROLLER ACHROMATICBuilt to last with style and function. Deluxe Base System with large molded ball holders.Material600 denier polyvinyl fabricFeaturesDeluxe Base System with large molded ball holdersTransparent Security FlapsFlush retractable push button handleWide Clear-Gum™ wheelsShoe compartment accepts up to Men's size 155-Year Limited Warranty