A pencil case with a polka dot pattern that looks like a marimo at the bottom of

Large and small mari rolling at the bottom of a deep lake It's like a forest... Such an image comes to mind. It is a pencil case made of tatami rims with a deep and beautiful green polka dot pattern. They are hand-sewn one by one. It is a light and durable material, so you will be able to use it for a long time.