Strong Magnetic Disk ø15mm x 3,6mm, 3g, KL4197 | Magnetic Buttons

Due to its extremely strong pulling force, it is well suited for making bags. 

It can be sewn into the material and has the ability to contract and hold even through several layers. 

You can use two magnetic discs together, but it is half the price to use them together with some ordinary metal (better than the same size) washers. However, the maximum pulling force is when using two magnetic discs. 

NB! Not suitable for use as a so-called refrigerator magnet precisely because of its excessive pulling force.