TIPS:

• Ferrous soft blackboard can be stuck on or nail on the wall. 
• It can hold small magnets and like fridge magnetrs and magnetic photo frames. (click for checking)
• This blackeboard is made of rubber and iron powder, to it is NOT as strong as normal ferrous metal surface. So ​if it need to hold some heavy or big magnets, please check with seller first, then we can test it for you.