Size is approx. 16.3 by 8.0 by 1.5cmAdditional product info:- This is a notebook-style cover with a multi-pocket on the surface for storing items like tickets and two card pockets inside.- Due to the nature of sewn products, there may be individual differences.- This product requires compatibility. Please check the manufacturer’s compatibility table before purchasing.- Before attaching this product, please clean and remove any dirt or oil from the surface it will be attached to. If using it on a smartphone with a cover that can be removed, please be careful of drops caused by cover detachment.- Do not leave it in areas where the temperature becomes extremely high, such as near heaters, as this may cause deformation or deterioration.- Color fading may occur due to moisture from water or sweat, direct sunlight, or ultraviolet rays.- Contact with materials that use printed materials or dyes may cause color transfer.- This product does not completely protect against scratches or dirt, nor does it provide complete protection from impacts, falls, or submersion.