useful life of articles that are constructed using films made of the material polyolefins that may be used in the polymeric material of the invention include polymers that are made from at least one olefinic monomer examples of such olefinic monomers include ethylene propylene butylene styrene and the like with ethylene the preferred olefinic monomer the polyolefin may be a homopolymer of the olefinic monomer or it may be a copolymer of different olefinic monomers or of an olefinic monomer and another monomer the comonomer may be any monomer that can be co polymerized with the olefinic monomer so long as it does not result in incompatibility with the uv light absorbing oligomer useful types of comonomers include ethylenically unsaturated carboxylic acids ethylenically unsaturated carboxylic acid esters and vinyl containing monomers the ethylenically unsaturated carboxylic acids are a preferred class of comonomers with acrylic acid especially preferred the polymeric material is prepared by combining the uv light absorbing oligomer of the invention with a polyolefin the uv light absorbing oligomer is generally present in an amount high enough to provide protection from ultraviolet light but not so high that the material migrates separates or blooms out of the polyolefin typically the polymeric material contains a sufficient.