Large Button Design Water Reflowable Design
Lock the water with one button - The button is placed at the bottom to lock the water, to make sure it&39;s safe and leak-proof.
Equipped with a large button of drainage, makes sure that the water comes out as soon as you press the button. It&39;s also reliable and very safe. The button is placed at the bottom to lock the water. A built-in silicone seal makes sure it&39;s double waterproof and leakproof. If you press the button for a long time and make the cup erect, it can make the water flows back into the cup.