Size is approx; 13.0 by 5.5 by 1cmAdditional product info; Support holding your smartphone more easily by threading your finger through the ring. The carabiner can be attached to your bag handle, making it convenient to carry! It can also be used for attaching straps. We recommend a smartphone case with a charging cable port width of 10-15mm. Even with the recommended dimensions, depending on the combination of your smartphone and case, or the material of the case, it may come off easily. After attaching this product, please pull the carabiner to ensure that it does not come off easily before use.