Size is approx: 7.4 by 5.2 by 1cmAdditional product info; Attach it to the back of your smartphone to support holding it or change the ring angle to use it as a stand!- This product does not completely prevent the attached smartphone from falling.- It cannot be used on smartphones with glass surfaces, anti-fouling, or fingerprint-resistant treatment.- For smartphones where the attachment area covers the battery or memory card compartment, the cover may come off during use.- Please clean the part where you attach this product thoroughly before use. Using it with dirt or oil still present will reduce its adhesive strength.- Depending on your smartphone, it might not be usable as a stand.Smartphone not included.