Cargo Box: Cargo Box. 23.7-gallon (90-liter) Cargo Box is lockable and weather-sealed for secure, clean and dry storage. Four (4) tie-down points on the lid provide additional carrying area. Honda Pro-Connect™ attachment system for quick installation and removal. Note: Two Honda Accessory Mount Plates required for installation (sold separately) . Half Cargo Box: Half Cargo Box. 9.2-gallon (35-liter) Half Cargo Box is lockable and weather-sealed for secure, clean and dry storage. Two can be installed at the same time for separate storage options. Four (4) tie-down points on the lid provide additional carrying area. Honda Pro-Connect™ attachment system for quick installation and removal. Note: Honda Accessory Mount Plate required for installation (sold separately) .