The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm.sup.3, a melt index (I.sub.2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/-olefin copolymer fraction, and wherein said ethylene/-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm.sup.3, a melt index (I.sub.2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (M.sub.w/M.sub.n) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second and 190 C. in the range of from 6 to 43.

The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I).

##STR00001##

The instant invention provides a polymerization process for producing ethylene based polymers.

In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more -olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in in a dual reator system or a multiple reactor system, wherein first catalyst system comprises; (a) one ore more procatalysts comprising a metal-ligand complex of formula (I):

##STR00001##

The instant invention provides a polymerization process for producing ethylene based polymers.

In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more -olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in a single reactor, wherein first catalyst system comprises; (a) one ore more procatalysts comprising a metal-ligand complex of formula (I):

##STR00001##