Size is approx; 16.3 by 8.0 by 1.5cm Additional product info; This is a notebook-type cover with a multi-pocket on the front that can hold tickets and other items, and two card pockets on the inside.- This product is a sewn item, so there may be individual differences.- This product has specific compatibility. Please make sure to check the manufacturer’s compatibility chart before purchasing. – Before attaching this product, please clean and remove any dirt or oil from the attachment surface. If using on a smartphone with a detachable cover, be cautious of falls due to the cover coming off.- Do not leave it in places with extremely high temperatures, such as near heating appliances, as this may cause deformation or deterioration.- Color fading and discoloration may occur due to moisture from water or sweat, direct sunlight, or ultraviolet rays.- When in contact with materials using printed matter or dyes, color transfer may occur.- This product does not completely prevent scratches or dirt. Additionally, it does not completely protect against impacts from drops or submersion in water.