Patent ID: 8584966

Claim:
A straw comprising: a body having a longitudinal passage therethrough; an outer tubular member depending from said body, said outer tubular member having a closed bottom end and at least one longitudinal slot through a side wall thereof; an inner tubular member extending downwardly into said outer tubular member with an annular passage therebetween and extending upwardly through said body passage and engaged thereby to snugly reciprocally slide therein between a fully-closed condition with an open bottom end of said inner tubular member seated on a closed bottom end of said outer tubular member and a fully-opened condition with said open bottom end of said inner tubular member above said closed bottom end of said outer tubular member; means for plugging said open top end of said inner tubular member; and means for engaging and disengaging said means for plugging to and from a top portion of said body, said means for engaging and disengaging drawing said means for plugging said open top end of said inner tubular member and said closed bottom end of said outer tubular member toward each other during engagement of said means for plugging with said open top end of said inner tubular member to simultaneously seal said open top and bottom ends of said inner tubular member in said fully-closed condition.