Double-layer vacuum insulation technology keeps the beverage warm or cold for a long time and is suitable for all seasons. BPA-free, the surface of the lid has a straw hole design, which can be used for sipping or using a straw to reduce splashing. You can pour in your favorite coffee, Champagne, Wine, juices, sodas, beer and other drinks! Enjoy the beginning of the day and end the fatigue of the day. Rich colors and exquisite design are the best Christmas gifts for family, friends or lovers. Approved by FDA, made of high quality 304 grade stainless steel. It is not easily broken, reusable, does not rust or leave a bad metallic taste in the mouth, and never sweats or touches hot hands. Modern curved design that is easy to hold.