A closure for a container and a container and closure

A closure for a container, the container having a side surface and a rim that defines an opening and an opening axis that is perpendicular to the opening, the closure comprising:

• a top portion configured to cover the opening of the container;
• and
• a skirt portion, connected to the top portion and configured to surround an upper region of the side surface of a container when the closure is connected to the container;
• wherein the skirt portion comprises one or more thread portions configured to cooperate with one or more thread portions provided on the side surface of a container to define movement of the closure relative to the container in a direction parallel to the opening axis as the closure rotates about the opening axis relative to the container;
• the closure further comprises a liner that extends across the surface of the top portion of the closure and at least partway across the skirt portion away from the top portion;
• and
• the liner is configured to seal the opening of a container when the closure is connected to the container.