Tips:Please go to my store to find more products，more orders will get more super secret giftsMaterial: glassSize:see the fighreCan be directly used， can also be free to heat or ice， if you want to enjoy the warm feeling， you can soak the crystal glass in warm water for 1-5 minutes.If you want to shake， you can put the crystal glass in ice water or refrigerator for a few minutes to enjoy.Clean and convenient， beautiful curve design， furnituring decoration products.