2oz Color Changing Glass Small Liquor Water Cup Baijiu Wine Glass Sakura Cup

Label:Yes Material:Glass Package Contains:1 Pc Color Changing Wine Glass Color:Transparent Size:6.1*5cm Name:Color Changing Wine Glass

The glass can change color under temperature 25 degrees Celsius(ice water is better). So if you receive in winter (room temperature below 25 degrees Celsius), the glass already changes color, which is normal, you can pour warm water in glass first, then pour ice water to make it change color.