Kraft Foods’ string cheeses — branded Polly-O on the East Coast and Kraft elsewhere in the country — are teaming with Six Flags Entertainment Corp. for a multi-platform “Twisted Fun” promotion this summer.

  Kraft Foods' string cheeses -- branded Polly-O on the East Coast and Kraft elsewhere in the country -- are teaming with Six Flags Entertainment Corp. for a multi-platform "Twisted Fun" promotion this summer. The promotion also brings in a sustainability element, through a partnership with the TerraCycle, Inc. "upcycling" company.