1. Material: stainless steel2. Dimensions: diameter 12 cm, height 5.5 cm3. Weight: about 160 grams4. Applicable occasions: living room, hotel, office, Internet cafe5. Features: when the button is pressed to open the cover, the ash will automatically fall off, and the cover will be closed automatically when you release the hand, saving time and effort. If you want to stay open all the time, just press the button all the way.