Incredible Construction for Any ActivityThe insert bag is constructed from 600D water-resistant polyester and can withstand the rigors of everyday use. Kids will love it since it can easily store and transport all of their books, without straining their backs. Adults will love Zuca too, as it makes for a great travel companion on vacation or business trips. The interior is vinyl coated for added protection and the entire bag is machine and hand washable.Have a Seat – Anywhere!Think back at all of the lines and waiting you've had to do while traveling. Shuttle buses, airport gates, security lines...waiting is unavoidable and unfortunately it can last for hours on end! If you're on a line or in a jam-packed terminal, a seat is likely impossible to come by. The top of this frame can support up to 300 lbs. so don't be afraid of damaging your Zuca. Take a load off or use the super sturdy top to store and transport more gear.SpecificationsBag SpecificationsSpacious Interior (1.03 cu. ft.)Internal Door Compartments - 2 pockets and a zippered storage areaExternal Zippered Storage - for documents, magazines and small accessoriesWater-Resistant 600D Polyester ConstructionRemovable DesignMachine & Hand WashableNote - This bag does not meet FAA specifications for carry-on luggageFrame Specifications39.5" Telescoping HandleTop Platform Seat - supports up to 300 lbs.Dual 4" Vertically-Mounted Polyurethane WheelsTwo Nylon 6 Feet - durable but gentle on easily scratched floorsChrome-plated & Rust Resistant ScrewsUnit Dimensions (HxWxD) - 18" x 10" x 13"Unit Weight - 9.4 lbs.