This flat zippered pouch is made with a dirt-resistant nylon fabric featuring an Asanoha (hemp leaf) pattern and a polyester lining. It's lightweight and flat, making it perfect for use inside a bag. It can store cards, bankbooks, and various small items. How about using it in your child's school bag? Size: Approximately 11.5 x 21.5 cm Each item is carefully handmade, but as it is a handmade product, there may be slight imperfections. Please understand this when making your purchase. m(_ _)m