The back of the head is a wide black elastic band with a black triangular cloth. The fabric is a firm, wrinkle-resistant material cut on the bias, so it conforms to the curve of the head and forms a beautiful triangle when viewed from behind. How about using it at school, in restaurants, at events, or in cooking classes? Please measure your head circumference and choose from the 3 sizes below. You can adjust the size yourself, so it's okay to choose approximately. If you let us know your head circumference, we will send it to you with a perfect fit. M 53-55 cm L 56-58 cm LL 59 cm and above Fabric: Black, Cotton Polyester Since the size can be adjusted later, it can be passed on and used, making it economical. --------------------------------------- ☆Discounts: We cannot offer discounts on handmade items. ☆Bundling: If you wish to purchase multiple items, please let us know in the comments before purchasing. We will combine them into one listing. If you have any questions, please feel free to comment.