Magnetic block magnets without self-adhesive
Block magnets without self adhesive foil are often used if the magnets are trained on.
With briefcases or packaging block magnets are often concealed, pasted so from the outside with paper or other material. So, it can be renounced on the self adhesive foil in the block magnet itself.
On account of the high strength of the magnets is the locking strength still excellent strength also with concealed block magnets.