Bonito "Katsuo" Spindle-shaped fish that exceeds 1 m in length. They are fast swimmers and migrate in large groups. Large part of the body is dark. Bonito are rich in mineral, iron and zinc. Seared Bonito using first catch in the early summer is a delicacy that inspire a famous Haiku poem. Fatty bonito returning in fall are called "Modori-katsuo" they are excellent sashimi. Bonito flakes are essential for many Japanese dishes and the most common fish stock. They were first used in Muromachi era, 1336 to 1573.■ProductSize / 2.5cm x 6cmMaterial / Embroidery thread: 100% RayonMade in JapanThis patch Stick-on and Iron-on too.■AttentionCommercial use of this product is strictly prohibited.〈How to iron on this patch〉※The patches can be ironed on cotton and polyester materials, be careful of heat-sensitive materials.※Take care of hot iron burns.How to use patches→https://en.kyototo.jp/ja/pages/how-to-use-the-patches