Size is approx:5.6 by 3.8 by 1cmAdditional product info:You can stick it on the back of your smartphone to support holding it, or change the angle of the ring to use it as a stand!- This product does not completely prevent the attached smartphone from falling.- It cannot be used on glass surfaces, anti-fouling, or anti-fingerprint processed smartphones or smartphone cases.- Please check the manufacturer’s compatibility chart before purchasing.- If the part where you stick this product is a cover for battery or memory card replacement on your smartphone, the cover may come off during use.- Please wipe clean the part where you will stick this product before use.- If dirt or oil remains, the adhesive strength will decrease.- Depending on your smartphone, it may not be usable as a stand.