1. How to close the lid correctly, and avoid water leaks?

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2. The lid is leaking for the following reasons

(1) There is a gap between the inner pipe of the lid and the joint of the cup, and it is not completely closed.

(2) The water temperature should not exceed 60 degrees, otherwise there will be leakage due to air pressure.

3. The traw can't absorb water? How to cure it ?

(1) you must cut 0.5-1cm short or tighten the straw inwards; if you do not have the right tools, we do not recommend operating to avoid injuring your hands; or replace the straw with another to use

(2) There is an air valve inside the cup lid, you need to make sure there is no water intake, as well as no vacuum in the installation.

(3) The water temperature should not exceed 60 degrees, otherwise the water will not be sucked due to pressure problems.