A non-spill container assembly having a container, a collar and an annular seal from which drinking can occur at any location around a rim of the container assembly. The collar has an internal frustoconical shape wall with a circular upper end that extends downward and inwardly into a closed lower end. The closed lower end has a projection that extends outward from its center. The collar includes a support surface arranged along an inner surface of an upper edge of the circular upper end and a fastener assembly disposed adjacent to a bottom of the collar provided to securely fasten to a container. A plurality of passages are radially disposed around the projection in the internal frustoconical shape wall to channel a fluid. A plurality of radial protrusions disposed radially adjacent to the support surface defining various channels along the support surface. An annular seal is constructed in a form of a frustoconical disc substantially similar to a shape of internal frustoconical shape wall, the annular seal having a blind bore recess on a lower surface at its center for receiving and securing onto the projection.