Round Clear Glass Cigarette Cigar Ashtray - Set of 4 Spark Glass Ashtrays Set -- Pack of 4 Deluxe Clear Glass Ashtrays. Set include 4 clear glass ashtrays -- the perfect ashtrays for home, restaurants and outdoors. These large ashtrays for cigarettes are made from high quality glass and are durable and chip resistant. Easy to clean, dishwasher safe.