Size is approx; 7.5 by 4.0 by 1cm Additional 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!Handling Precautions – This product does not fully prevent the smartphone from falling. – It cannot be used on smartphones or smartphone cases with glass surfaces or anti-fouling and anti-fingerprint treatments. – Please check the manufacturer’s compatibility chart before purchasing. – If the area to be attached serves as a cover for battery or memory card replacement on your smartphone, the cover may come off while in use. – Please thoroughly clean the area where the product will be attached before use. If dirt or oil remains, the adhesive strength may decrease. – Depending on your smartphone, it may not be possible to use it as a stand.