This ash tray is made of premium stainless steel and fire resistance material, so that no burning marks. The detachable structure of ashtray could be easily separated into 3 parts, so that you could clean it thoroughly every time after using it. The 4.33 x 2.75 inch demension could offer a larger space to hold more trash for you, not only ash, but also some little garbage such as scraps, peel, sugar paper. The special designed rubber ring inside of the lid could block smoke spreading in your car, to keep air fresh and protect your health. It's portable and lightweight, perfect to use in home, office, restaurant, hotel, and bar. Secondhand smoke is bad for human being's health, we should avoid it.