Size is approx. 5.6 by 3.8 by 1cmAdditional product info:Attach it to the back of your smartphone to support holding it or change the angle of the ring to use it as a stand!- Please note that this product does not entirely prevent drops of the attached smartphone.- It cannot be used on glass surfaces, anti-fouling, or anti-fingerprint processed smartphones and smartphone cases.- Please check the manufacturer’s compatibility chart (via a separate site) before purchasing.- If the part where it is attached is a lid for battery replacement or memory card exchange, the lid may come off during use.- Please clean the area where you will attach this product thoroughly before use.- If used with dirt or oil remaining, the adhesive strength will decrease.- Depending on your smartphone, it may not be usable as a stand.