Applicator and assembly for flexible container

An assembly, comprising:

• a flexible container comprising an open end and a closed end, the open end of the flexible container comprising a set of external threads and a membrane;
• a liquid contained in the flexible container;
• an applicator comprising an open end and a closed end, the open end of the applicator comprising a first set of internal threads located at an inner wall of the applicator and a second set of internal threads located at an outer wall of the applicator, the closed end of the applicator comprising an orifice;
• and
• a cap comprising an open end and a closed end, the open end of the cap comprising a set of external threads,
• wherein the first set of internal threads of the applicator engage with the set of external threads of the flexible container to removably attach the applicator to the flexible container, and wherein the second set of internal threads of the applicator engage with the set of external threads of the cap to removably attach the cap to the applicator.