Private equity firm Wind Point Partners has purchased Hilex Poly, a manufacturer of plastic bags and film, for an undisclosed amount.

Hilex, based in Hartsvile, S.C., also operates a facility that recycles plastic bags.

Wind Point, headquartered in Chicago, has about $2.5 billion in assets under management.

Private equity firm TPG Growth has owned the target since 2009. The Fort Worth, Texas, firm has $3.7 billion in assets under management.

Harris Williams & Co. was financial adviser to Hilex.