Examples of the thermoplastic resins constituting the compositions (A) and (C) are polyolefin resins such as polyethylene, polypropylene, ethylene-propylene copolymer, poly(4-methylpentene-1) and ethylene-vinyl acetate copolymer; polystyrene; polyamide; polyethylene terephthalate; a partial hydrolyzate of ethylene-vinyl acetate copolymer; ethylene-acrylic acid copolymer and salts thereof; vinylide