To obtain good pouring treatment of content by forming an opening part to a simple wide-mouthed container hermetically closed by a film like lid material.

A lid material 1 made of a uniaxially stretched film is bonded to the peripheral edge of the opening part of a simple wide-mouthed container main body 7 in a releasable manner to constitute a hermetically sealed container and a release tearing tab 4 is provided to one end part on the side of a stretching orientation direction of the lid material 1 in a protruding state and an elongated pouring port 6 having width fitted to the physical properties of content is subjected to tear molding by the width setting of the tab 4 or the molding of a notch and the pouring form of content is prescribed to a good and proper state by the remaining part of the lid material 1.