Large: 19.5 x 24 cm Small: 17.5 x 21.5 cm The fabric is thin. I make them with care, but there may be some distortion or uneven stitching. I haven't used edge stitching on the selvedge. Recommended for those who are not good at sewing and don't mind imperfections, for preparing for entrance to school. #Recommended for those who are not good at handmade, entrance to school preparation set I also sell lunch bags, chopstick and spoon cases, masks, etc. Please note that the drawstring bags come in various sizes. If you purchase multiple items, please comment. I will give you a small discount.