First, the lid of the pop-up straw has a 90-degree L-shaped vent design, which can release the pressure in the bottle instantly when the lid is opened, and avoid the skin scald caused by hot water ejection. Second, the body of the bottle is designed with a rotating streamlined grip position according to ergonomics, which fits the arc of the palm when grasping and improves the comfort of drinking water；The rotating surface gradually disappears in the middle of the bottle, giving the product dynamic quality. With the change of light Angle, it has a strong sense of quality and movement. Third, the overall shape of the product uses abstract aesthetics, and combines hardness and softness.