Container capable of keeping a lengthwise contracted state and contraction method thereof

摘要

To extremely reduce the capacity of a container body when juice or mineral water in a container body is drunk up and the container body is discarded. The container body includes: a top tap; a small width in a height direction at a bottom; and a horizontal bellows formed on the whole or part in a longitudinal direction of the container body, except the top tap, and the width in the height direction.