Tonneau
（重定向自Tonneau Cover）
Tonneau cover (US /tʌˈnoʊ/ or UK /ˈtɒnoʊ/) describes a hard or soft cover used to protect unoccupied passenger seats in a convertible or roadster, or the cargo bed in a pickup truck. Hard tonneau covers open by a hinging or folding mechanism while soft covers open by rolling up.