Disposable lid for drinking cup having a retractable drinking opening

A thermoformed plastic disposable lid for a drinking cup comprising:

• a cover portion having a generally circular periphery, wherein the cover portion comprises an outside surface and an inside surface;
• a drinking opening in the cover portion adjacent to the periphery;
• a handle opening in the cover portion;
• a pair of C-shaped rails extending downwardly from the inside surface of the cover portion, wherein the each of the pair of C-shaped rail comprises a top arm and a bottom arm, the top arm being coupled to the cover portion and the bottom arm positioned below the top arm, and wherein the C-shaped rails form a longitudinal channel between them, the channel extending from the handle opening to the drinking opening;
• and
• a sliding member having a handle and a nub, the handle located at one end of the sliding member and the nub located at another end of the sliding member, wherein the sliding member is configured to slidably fit into the channel and the sliding member is oriented such that the handle extends through the handle opening in the cover portion, such that when the handle is placed in a first position, the drinking opening is unplugged by the nub and when the handle is placed in a second position, the drinking opening is plugged by the nub,
• wherein the bottom arm of each C-shaped rail is tapered at a free end such that the sliding member can be snapped into the channel.

A thermoformed plastic disposable lid for a drinking cup comprising:

• a cover portion having a generally circular periphery, the cover portion comprising an outside surface and an inside surface;
• a drinking opening in the cover portion adjacent to the periphery;
• a handle opening in the cover portion;
• a pair of C-shaped rails protruding downwardly from the inside surface of the cover portion, each C-shaped rail comprising a top arm and a bottom arm, the top arm being coupled to the cover portion and the bottom arm being positioned below the top arm, wherein the top arm and bottom arm of one rail faces the top arm and bottom arm of another rail to form a longitudinal channel between them, the channel extending from the handle opening to the drinking opening, and wherein each bottom arm is tapered at a free end;
• and
• a sliding member having a handle, wherein the sliding member is snapped into the channel via the tapered free ends of each of the C-shaped rails such that the sliding member slidably fits into the channel and the sliding member is oriented such that the handle extends through the handle opening in the cover portion, such that when the handle is placed in a first position, the drinking opening is uncovered by the sliding member and when the handle is placed in a second position, the drinking opening is covered by the sliding member.