Strawless drinking lid for a container

A method of making a strawless drinking lid for a container, comprising:

• providing a sheet of thermoformable polymeric material;
• thermoforming the sheet to create a hollow body comprising:
• a mounting portion defining an outer perimeter;
• a perimeter wall disposed inwardly from the mounting portion, the perimeter wall extending upwardly relative the mounting portion and having an outer surface facing the mounting portion and an inner surface opposite the outer surface;
• a center portion extending inwardly from the inner surface of the perimeter wall;
• and
• a recessed drinking portion extending from the center portion, the recessed drinking portion including an upper surface having a front section and a back section with a hinge extending across a width of the recessed drinking portion and disposed between the front section and the back section, the front section having a front edge proximate a ledge extending from the inner surface of the perimeter wall,
• the recessed drinking portion having a closed configuration with the upper surface having an undeformed concave shape relative to the center portion and the front edge adjacent the ledge extending from the inner surface of the perimeter wall, and the recessed drinking portion having an open configuration with the back section of the upper surface deformed upwardly to define an opening between the front edge and the ledge extending from the inner surface of the perimeter wall.