To assure the transparency of a container and to improve safety.

This nursing bottle for babies and infants consists of a container body for containing mother's milk and a nipple mounted in the inlet and outlet port of this container body. The container body is composed of a fluororesin. Any of a tetrafluoroethylene-perfluoroalkoxy ethylene copolymer resin, tetrafluoroethylene-hexafluoropropylene copolymer resin, tetrafluoroethylene- ethylene copolymer resin, vinylidene fluoride resin or vinyl fluoride resin is used as the raw material of the fluororesin. The container body just after molding is immersed for ≥2 hours in pure water of ≥80°C to remove fluorine ions. The nipple is molded of a thermoplastic fluorine elastomer.