Mymazn is professional manufacture of fridge magnets, we always work on making better product. If you have any suggestion or new ideas, welcome to share with us!
They are not colored glass but clear glass with a colored backing, which make it more clear and crystal-like.
Magnets works great on iron and most magnetic board, but not stainless steel since it is usually weakly magnetic.
These magnets doesn’t stick to each other due to polarity reason, but it doesn’t mean it’s weak.
If you found it’s weak on some kind of whiteboard, welcome to contact us, we will give you refund or replacement.