SONY Genuine Synthetic Leather Soft Case For NW-A30 and NW-A40. Can also be attached to NW-A55, but please do so at your own risk to prevent any issues. - Model: CKS-NWA40 - Brand: SONY - Color: Gold - Features: NFC compatible - Material: Synthetic leather Purchased new last year and stored in a dark place, unused. Please refrain from purchasing if you are looking for a perfect item. Although purchased last year, it is unopened, so please purchase only if you understand the possibility of deterioration over time. Please purchase only if you understand that cancellations will not be accepted unless there is a valid reason. Shipping via Yu-Yu Mercari. Please note that we may not respond to negotiations that we cannot accommodate. NW-A50 walkman Folio type