The Sterling & Noble Clock Company Chemical Elements Wall Clock is a 15" round quartz-powered clock featuring a sleek black, blue, or cream color scheme. This hanging wall clock, suitable for adults' living room or home office/study. Great for a classroom. With its modern design and battery-powered operation, this clock adds a touch of style and functionality to any space. This is made of durable plastic and has some weight to it. This has one small area when the black is rubbed off. This is pictured. Get this unique clock today.