Adjustable Locking Mouthpiece for Leak-Proof drinking Bottles

A drinking container comprising:

• a container body extending between a neck and a base;
• and
• a cap assembly, the cap assembly is configured to include:
• a cap;
• a lid assembly housing in the cap comprising a cylindrical hole with an interior portion, the interior portion of the cylindrical hole is configured to have a circumferential groove;
• and
• a lid assembly removably coupled to the lid assembly housing, wherein the lid assembly comprising:
• a straw having a proximal end and a distal end;
• a straw cover configured to cover the proximal end of the straw;
• and
• a base member configured to comprise:
• an interior portion and an exterior portion, the interior portion is configured to receive the straw;
• wherein an attachment member is connected to the base member at an anterior end of the exterior portion;
• and
• the base member has a posterior end configured to have a circumference ridge at the exterior portion, wherein the lid assembly is coupled to the lid housing by means of a leak proof male female type attachment between the circumference ridge and the circumference groove.