Item Type: Rectangular Magnet Material: Neodymium, Iron, Boron Single Size: Approx. 30 x 20 x 5mm / 1.2 x 0.8 x 0.2in Package List 10 x Magnets 110PCS IN 1 SET: Including 10pcs rectangular strong magnets, small and compact in size, can be used at any time, and has a wide range of applications. 2MULTIPLE USAGES: Use for DIY projects and science experiments, refrigerator, shower door, work or office, science use, art and craft or school classroom. 3EXCELLENT MATERIAL: These magnets are made of excellent neodymium, iron and boron materials to ensure super strong magnetism, stable and reliable. 4GLOSSY FINISH: These rectangular magnets have a bright silver finish, which is glossy and burr free, not easy to scratch or rust, and has a long service life. 5GOOD STABILITY: These neodymium bar magnets are stable in different environments and do not lose their strong magnetism performance over time.