Thank you for viewing. This is a pouch made using used jeans. The size is approximately 13cm in height and 15cm in width, with no gusset. A D-ring is attached. The medical record book is for size comparison. This is a handmade item using used jeans. There may be fabric damage, misaligned stitching, etc. The images are taken with a digital camera, so there may be slight color differences. We appreciate your understanding of these points.