Approximately 24 x 20 cm. I make each item with care, but there may be slight imperfections such as unevenness or stitching that isn't perfectly straight. Recommended for preparing for kindergarten or elementary school. #Recommended for those who are not good at making things Kindergarten/Elementary School Preparation Set I also sell other items such as lunch bags, chopstick and spoon cases, and masks. Please note that the drawstring bags come in various sizes. If you are purchasing multiple items, please comment.