a filled , fluid barrier resistant plastic container is obtained wherein the container is exposed to a temperature in excess of 175 ° f ., as for example being filled with a material maintained at said elevated temperature . a multilayered , hollow plastic container is provided having outer and inner portions of thermoplastic materials resistant to temperatures in excess of 175 ° f ., and a barrier layer of thermoplastic material between the outer and inner portions . the container may be filled with a material at a temperature in excess of 175 ° f . but below the temperature of resistance of the inner and outer layers whereby the barrier layer softens or melts , and the filled container is cooled to ambient temperature whereby the barrier layer reforms in place to provide the filled , barrier resistant container of the present invention .