1. The magnet is not iron. The raw material is rare earth neodymium iron boron. It is fragile and cannot be bumped. Because it has suction, it will be sucked up when it is not noticed, and it may be broken.
So please be careful to avoid slam together.
2. Never place neodymium magnets near electronics
3. Neodymium magnets will lose their magnetic properties if heated above 80°C/176°F.
4.Magnet should keep away from kids, If magnet damaged please dispose of shards completely. They are still magnetized and will cause serious problem if swallowed by children.
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We are Mainly produce the manufacturing of the mid and high-end NbFeB permanent magnets and the Research&Development of the NdFeB magnetic matrial.
We have been working on magnetic materials for more than ten years,we are professional online retailer in china too.
We keep more than one million pieces magnets in different sizes in stock. Most orders could be arranged in 24-48 hours.（Except holidays）
Customization is accepted,but it will cost more for less quantity.
For any information please contact us any time.We will reply ASAP.