Description The magnetic stirrer made of material for durable and practical to use. It helps you easily get to the bottom of the deep containers or flasks. Perfect accessory for magnetic stirrer. Perfect for chemistry and biology research, home-lab use. Features -Color: White-Material: PTFE-Size: About 1.50X0.50X0.50cm or 0.59X0.20X0.20inch- Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications.- The stir bar is placed inside a container of liquid or solution that is seated on a magnetic stirrer, creating a rotating magnetic field using a rotating magnet or multiple stationary electromagnets.- Can be used with corrosive chemicals, also helps reduce friction and wear while spinning.- The product is exquisitely made and the color is not easy to peel off.- The product is simple and convenient to use.Packing list: 5 x stirrer