Esssager YH01 Magnetic Metal Ring for Magsafe The ring serves as the medium between your phone and magnetic wireless charger, enabling quick alignment and locking of wireless charging in place for convenient wireless charging Adopt sleek and thin design, lightweight and compact without adding burden to your phone The ring has glue on the backside with excellent adhesive force, it will not fall off after installation Material: stainless steel + self-adhesive backside Thickness: 0.3mm Scope of application: mobile phones Product size: 55*55mm Product Features: lightweight and thin, easy to stick and easy to install