Dimensions: L36"xW15"xH18" Rugged construction features 600-denier P VC -coated Polyester and heavy-duty Nylon Huge, padded main compartment with external, ventilated boot pockets Mesh hamper for dirty gear Hard shell bottom with smooth-glide rails Urethane wheels with bulletproof iron bearings Retractable handle for easy lugging Fold-out changing mat