Method of sealing a container

A method of sealing a container comprising:

• providing a container defining a central longitudinal axis and a second axis intersecting said central longitudinal axis, wherein said second axis extends perpendicular to said central longitudinal axis, said container comprising:
• a container interior within said container;
• a container exterior oppositely disposed with respect to said container interior;
• an opening providing fluid communication between said container interior and said container exterior;
• a first sealing surface at least a portion of which lies on a third axis formed on said container exterior, wherein said third axis extends transverse to said second axis;
• providing a closure member comprising:
• a first wall portion comprising a first wall portion first surface;
• a second wall portion extending from said first wall portion, said second wall portion comprising a second wall portion first surface;
• dispensing a quantity of a liquid into said container interior;
• moving said closure member into contact with said container;
• causing at least a portion of said second wall portion first surface to sealingly engage said first sealing surface;
• and
• exposing at least a portion of said first wall portion first surface to said quantity of said liquid.