Geo Polycarbonate Carry On 2 Wheel Travel Case Polished Gold (PG). Travel in style with the new Zero Halliburton Geo Polycarbonate 2 Wheel Travel Case. Polycarbonate hardside construction, theft-resistant zippers as well as a three digit TSA approved combination lock, this case will protect your valuables around the globe. Smooth rolling wheels constructed with sealed ball bearings as well as a multi stage retractable handle to assist you in arriving at your d