threaded outer walls 35 a adjacent open top 16 for threadable engagement between the lid and the open top a gasket not shown may be used to help seal the lid to the open top again with reference to the lid illustrated in fig1 it is seen that the lid includes a top surface 32 which has a drinking orifice 32 a incorporated thereinto opposite the drinking orifice 32 a is a vent orifice 32 b for venting the interior of the container so as to facilitate drinking therefrom through the drinking orifice 32 a the drinking orifice may be located at the tip of a drinking snout 32 c turning now to fig2 it is seen that an alternate preferred embodiment of applicant 39 s lid portion 14 it is disclosed this lid portion which is known in the prior art includes inner side walls 34 for snug friction fit with smooth outer walls 16 a adjacent open top 16 an advantage of the friction fit over the threaded engagement means is that with friction fit the drinking orifice may be rotated and positioned anywhere with respect to the handle for ease of drinking it is seen in fig2 that vent orifice 32 b includes a valve 36 that will prevent the passage of a fluid therethrough and will open in response to a drinking drawing suction the suction within the container generating a pressure differential that will open a normally closed valve 36 turning back to fig1 it is seen that applicant 39.