It's adhesive. I mistakenly purchased it, thinking it was the magnetic MagSafe type, and realized my mistake the moment I opened it. It's been opened, but it's brand new and unused. ※ This is not the MagSafe type i pocket ring mag. Shipping will be via Yu-Packet Post only. The iRing Pocket features 360-degree rotation and 180-degree swing functionality. - Model Name: iRing Pocket - Functions: Secure grip, kickstand, card holder - Rotation: 360-degree rotation, 180-degree swing - Material: PC (Polycarbonate) - Manufacturer: Unique Corporation Thank you for looking.