Sony Official Soft Flip Case for Walkman NW-A300 A306 A307 CKS-NWA300 CKM-NWA300 sony original CKS-NWA300 CKS-NWA300 Flip Case, a stylish companion to the NW-A300 Series Walkman. The polyurethane design is durable and comes in perfectly matched colors1 for a fully coordinated and stylish look. Comfortable fit and easy access to all chargers and ports. - Compatible with NW-A300 Series Walkman - Wear-resistant polyurethane material - Flip-top design is easy to open with one hand - Easily access the port for charging without removing the case - Choose colors to match CKM-NWA300 Protect your NW-A300 series Walkman from everyday knocks and shocks with this high-quality silicone rubber case. It?s practical, easy to use and comes in black, grey and blue to match your Walkman1 and gives you a totally co-ordinated look.