Size is approx: 6.4 by 3.5 by 1cmAdditional product info: With its flat back, it reduces wobbling when placed with the back of the case down! It easily slips into your pocket, making it a recommended option for carrying in your pants or shirt pocket. The ring portion rotates 360 degrees, allowing you to adjust it to the most convenient finger position for easy operation!- The adhesive strength may vary depending on the weight, shape, and material of the smartphone or case. – As the adhesive strength increases over time, please ensure it is securely fixed 1-2 hours after attaching it before use. – This product cannot be reapplied once removed. – If you are using a smartphone or case made of glass material, please use the included adhesive support sheet. – Do not use on frosted glass materials. – To prevent accidental drops, do not lift the device using only the ring portion. – Discoloration or deterioration may occur due to usage conditions, environment, or solvent use. – This product contains small parts, so please be cautious to avoid accidental ingestion.