| 摘要 |
PROBLEM TO BE SOLVED: To eliminate inelasticity of a straw with bellows to permit it to be used as a rigid straw. SOLUTION: The straw includes a straw body 1 having one of ends cut slantly to serve as an insert port 1a and the other end serving as a sucking port 1b, while bellows 2 are provided at one or more positions one the body 1. The same number of fixing tubes 3 as that of the bellows 2, which can be fitted with the bellows 2 and which are made longer than the bellows 2 are put over the straw body 1.
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