The product is a set of 10 single CD jewel cases in black and clear colours, with a 10.4mm spine. Made from rigid plastic, these standard jewel cases are designed to fit CDs, DVDs, and Blu-ray discs. The feature includes a clear window for easy identification of the disc. Manufactured by Vision Media in the United Kingdom, these cases are ideal for storage and protection of your media collection. Free delivery adds value to this convenient and practical product for organizing and storing your optical media.