This is a new, unused item. Please be aware of any initial scratches or imperfections. Since there is no size notation, I'm estimating it as a size S. Please refer to the photos. The back is elastic. Instant purchase is welcome, even late at night or early in the morning. I will do my best to respond quickly after purchase. The items are used or stored items, so please be careful if you are sensitive to these things. If there are any problems with the delivered product, packaging, or communication, I will handle them with sincerity. ★Unreasonable claims will be rejected★ Please refer to the photos for the condition, dimensions, and specifications. Thank you. Management number: 250526030