A set of two stick on metal rings to provide compatibility with MagSafe accessories such as MagSafe chargers, or MagSafe powerbanks.
 
Diameter 55mm
 
These metal rings are ferromagnetic, meaning that they by themselves are not magnetic, but are magnetic when introduced to a magnetic item like MagSafe accessories
Applied with the strong adhesive sticker on the back, can stick on your phone back firmly and securely
Without sharp edges would not damage your fingers and smartphone
Made of premium stainless iron, durable and wear-resistant