food grade water bottle lid,new style: 1,OEM service offered 2,all tests passed 3,bpa free material 4,various colors availab our water bottle lid: How to clean a cap? 1) Remove the bottle's cap and set it aside. Pour 2 tbsp. white vinegar into the bottle. Replace the cap and shake the bottle. This spreads the vinegar over the interior surface. 2) Take the cap off again and, leaving the vinegar ...