an improved package is described of the type used for packaging food products and other products . a molded plastic container is sealed with a closure cap . in order to prevent unauthorized or undetected opening of the container , a tamperproofing means is provided in the form of a tamperproofing band molded integrally with the container . this band is positioned so that it encloses at least the bottom edge of the closure cap skin when the cap is applied to the container . this requires at least a portion of the band to be removed before the cap can be removed from the container .