Note: Due to the material characteristics of the product, it cannot be exposed to alcohol and high temperatures. It is recommended to use warm water or ice. If there are any problems or dissatisfaction during use, please contact us directly and we will do our best to solve it for you. Material: aluminum alloy Color: silver Size: see picture Comments: 1. Manual measurement error is 2-5mm. Please don't mind the replacement. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you so much!