WINOMO Auto Car Smokeless Stand Cylinder Cup Holder Cigarette Ashtray(Silver) Material: Fireproof plastic alloy.Height:Approx.9cm3.54 inch. Upper Diameter:8cm3.15 inch. Bottom Diameter:5.8cm2.28 inch . Portable car ashtray, easy to carry and smokeless and fit most car cup holder. Effectively reduce the harm of secondhand smoke. With inner led that would be convenient to use even in night.