5.6 by 3.8 by 1cm Attach it to the back of your smartphone to help with grip, or adjust the ring’s angle 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-treated smartphones or smartphone cases.- Please check the manufacturer’s compatibility table (will redirect to a different site) before purchasing.- For smartphones where the part to be attached serves as a cover for battery or memory card replacement, the cover may come off during use.- Please clean the area where you will attach this product before use.- If used with dirt or oil residues, the adhesive strength will decrease.- Depending on your smartphone, it may not be possible to use it as a stand.