Material: This kitchen mechanical timer is made of durable stainless steel which is not easily damaged by long-term use. This unique countdown timer can go with any modern or vintage kitchen decor. Convenient and Compact: Magnets on the back to attach to objects containing iron such as refrigerators and microwaves. The small lightweight design makes our baking timer easy to carry. It's also easy to use when you're out camping and picnicking. No Batteries Required: This time manager has a manual and mechanical design that does not require batteries making it faster and easier to operate. Makes an ideal Christmas gift to improve learning efficiency productivity and time management skills. Widely Applicable: Kitchen mechanical timer can control cooking time for omelette pancake baking cake etc. Can also be used as a meditation timer study timer desk timer or work timer. Customer Service: If you confront any problems about our products please feel free to contact us we are ready to help. Product Size: Diameter 6 cm height 3.5 cmProducts from Chunchuan's store