The ??-olefin polymers whose clarity is improved in accordance with this invention by incorporating therein a bisphenol phosphoric acid metal salt are homopolymers and copolymers of ??-olefins, including polyethylene, polypropylene, polybutene-1, poly-3-methylbutene, poly-4-methylpentene, 1,2-polybutadiene; copolymers of ethylene in major proportions with minor proportions of propylene, 1-butene,