Size is approx; 5.6 by 3.8 by 1cmAdditional product info;You can stick this on the back of your smartphone to support holding it or change the rings angle and use it as a stand!- This product does not completely prevent the fall of a smartphone when attached.- It cannot be used on surfaces made of glass, or smartphones and cases treated with anti-fouling or anti-fingerprint coatings.- Please check the manufacturer’s compatibility chart (This will redirect you to another site) before purchasing.- If the part where this is attached is a lid used for battery replacement or memory card access, the lid may come off during use.- Please clean the area where you will apply this product before use.- Using it with dirt or oil left on may reduce its adhesive strength.- Depending on your smartphone, it may not function as a stand.