Patent ID: 8770429

Claim:
A mug liner fitting inside a mug having a bottom, a side wall, a rim, and a handle; said mug liner comprising a side wall and a bottom, both impervious to liquids in the range of 10 to 150 degrees Celsius; said side wall of the mug liner being taller than the side wall of the mug and said side wall of the mug liner having an upper rim and two substantially vertical tearing lines within a relatively close proximity of each other extending from the upper rim downward; said tearing lines enabling formation of a flap, an aperture and a hem when torn apart; said flap being formed by ripping the wall of the mug liner along the tearing lines downward from the upper rim to selected end points of the tearing lines, said selected end points being at same distance from the upper rim and locating on the liner wall at substantially the level of the mug rim inside which the liner is placed; and the flap further being bent downward along a short horizontal line between the endpoints and the hem being bent downward along a long horizontal line between the endpoints and the mug handle being placed in the aperture.