Baby bottle

A container assembly comprising:

• a container body including an upper end having a first compression surface and a first upwardly extending lip;
• a container capable of being received within the container body, the container including a first flange configured to engage the first compression surface and a first downwardly extending lip when the container assembly is in a disassembled state, the first downwardly extending lip being configured to align the container with the container body when a user places the container into the container body;
• a collar capable of being releasably secured to the container body, the collar including a second compression surface and a second downwardly extending lip;
• and
• a dispensing portion including a second flange configured to engage the second compression surface and a second upwardly extending lip;
• wherein, when securing the collar to the container body, the first compression surface engages the first flange and the second compression surface engages the second flange to cause the first flange to sealingly engage the second flange,
• wherein the first upwardly extending lip of the container body has a substantially vertical surface configured to engage a substantially vertical surface of the first downwardly extending lip of the container and the second upwardly extending lip of the dispensing portion has a substantially vertical surface configured to engage a substantially vertical surface of the second downwardly extending lip of the collar when the collar is secured to the container body,
• wherein the first upwardly extending lip includes at least a portion of the first compression surface and extends above an upper surface of the container body, and
• wherein the substantially vertical surface of the first downwardly extending lip is positioned radially outward with respect to the substantially vertical surface of the first upwardly extending lip and the at least the portion of the first compression surface.