Size is approx. 7.5 by 4.7 by 1cmAdditional product info: You can attach it to the back of your smartphone to support holding or change the angle of the ring to use it as a stand!Usage Precautions:- This product does not completely prevent the attached smartphone from falling. It cannot be used on surfaces made of glass or those with anti-fouling or anti-fingerprint treatments, including smartphone cases.- Please check the manufacturer’s compatibility list before purchasing.- For smartphones where the part to be attached serves as a cover for battery replacement or memory card exchange, the cover may detach during use.- Please clean the area where you will attach the product before using it. If dirt or oil remains, the adhesive strength will decrease.- Depending on your smartphone, it may not be usable as a stand.