US Patent 10138027 Plug for beverage container lid

A device and system for temporarily sealing an orifice in a beverage container lid comprising a plug (10, 110, 210, 310) having an upper surface (14, 114, 214), a body portion (12, 112), and a lower surface (16, 116, 216), said body portion adapted to be inserted and releasably retained in the orifice to provide a temporary seal thereof, and an external member (20, 120, 220) located on the upper surface of the plug configured to allow a user to grip the plug for ease of removal from the orifice.