A composite comprising a vulcanized rubber member formed by a vulcanization of a non-silicone-series unvulcanized rubber, and a resin member comprising a thermoplastic resin and directly bonded to the rubber member, whereby said composite comprises a combination of a rubber member vulcanized with a radical-generating agent, provided that said combination excludes the following combinations to; a combination of an aliphatic polyamide-series resin having an amino group and an unvulcanized rubber having a carboxyl group or an acid anhydride group, a combination of an aliphatic polyamide-series resin and an unvulcanized rubber comprising a silane compound, and a combination of an epoxy group-containing resin and an unvulcanized rubber having a carboxyl group or an acid anhydride group; and wherein said combination is any of the following combinations: (a) a combination of a polyamide-series resin in which the ratio (molar ratio) of terminal amino group/terminal carboxyl group is 50/50 to 100/0, and an unvulcanized rubber comprising the radical-generating agent and a polyfunctional vulcanization-activating agent, wherein the radical-generating agent comprises an organic peroxide, and the polyfunctional vulcanization-activating agent comprises at least one member selected from the group consisting of a triallyl (iso)cyanurate, a tri- or poly-functional (meth)acrylate, and an aromatic maleimide compound; (b) a combination of a polyamide-series resin in which the ratio (molar ratio) of terminal amino group/terminal carboxyl group is 50/50 to 100/0, and an unvulcanized rubber comprising the radical-generating agent and a polyfunctional vulcanization-activating agent, wherein the radical-generating agent comprises an organic peroxide, the rubber comprises an ethylene-propylene diene rubber and a polyoctenylene rubber, and the polyfunctional vulcanization-activating agent comprises an organic compound having at least two polymerizable-unsaturated bonds per molecule. a combination of an aliphatic polyamide-series resin having an amino group and an unvulcanized rubber having a carboxyl group or an acid anhydride group, a combination of an aliphatic polyamide-series resin and an unvulcanized rubber comprising a silane compound, and a combination of an epoxy group-containing resin and an unvulcanized rubber having a carboxyl group or an acid anhydride group; and (a) a combination of a polyamide-series resin in which the ratio (molar ratio) of terminal amino group/terminal carboxyl group is 50/50 to 100/0, and an unvulcanized rubber comprising the radical-generating agent and a polyfunctional vulcanization-activating agent, wherein the radical-generating agent comprises an organic peroxide, and the polyfunctional vulcanization-activating agent comprises at least one member selected from the group consisting of a triallyl (iso)cyanurate, a tri- or poly-functional (meth)acrylate, and an aromatic maleimide compound; (b) a combination of a polyamide-series resin in which the ratio (molar ratio) of terminal amino group/terminal carboxyl group is 50/50 to 100/0, and an unvulcanized rubber comprising the radical-generating agent and a polyfunctional vulcanization-activating agent, wherein the radical-generating agent comprises an organic peroxide, the rubber comprises an ethylene-propylene diene rubber and a polyoctenylene rubber, and the polyfunctional vulcanization-activating agent comprises an organic compound having at least two polymerizable-unsaturated bonds per molecule.