External Length: 12.19m 40ft' 0" External Width: 2.44m 8' 0" External Height: 2.90m 9' 6" Internal Length: 12.03m 39' 6" Internal Width: 2.35m 7' 9" Internal Height: 2.70m 8' 10" Door Opening Width: 2.34m 7' 8" Height: 2.58m 8' 5"