Get the pieces.
Open Sand Straw Detachable case and remove the straw and cleaning brush.
Clean the straw.
Rinse the cleaning brush and straw in hot running water. Add soap to the cleaning brush and insert and cleaning brush into the straw. Clean vigorously. Rinse straw with hot running water to remove all soap deposits and continue until water runs clear through the straw.
Clean the case.
Rinse the carrying case with soapy water and rinse.
Let it all dry.
Dry the outside of the straw and place straw on a drying rack. Place case upside-down to dry.
Back in action.
Once dry, insert the straw and cleaning brush back into the case.