The 3 air holes allow the wine to be in full contact with the air to create ample large bubbles and provide immediate ventilation.
The carafe can improve the taste of the wine, make it fuller and smoother, and allow you to enjoy the best taste of the wine at all times.
Made of high quality AS material and food grade silicone, strong, durable, BPA free, non-toxic and tasteless, so you can use it safely.