Please note

You should adjust the 90 degrees direction if there is a weak magnetic.
We advice the temperature of the hot bed should not exceed 80℃

Flex Magnetic Two Layer Print Hot Bed Sticker Build Surface Tape for 3D Printer Build Platform Heated Bed

Please make sure that the product has two parts. One part is the surface, the other part should stick on the hot bed.
The sheet adheres to a print bed to help the filament stick during printing warping
The sheet adheres to a print bed or heat bed to help the filament stick during printing and easy to clean and remove the printed part
Compatible with PLA/PETG filament, allow to print surface without additional adhesives or tape