This box contains four sealed Imation CD-R discs with a capacity of 650 MB and a maximum write speed of 4x. The discs come in a standard jewel case and are recordable, making them perfect for backing up your important data or creating your own music. These discs were manufactured in Japan in 1996 and are a great addition to any collection. The unit quantity is four and the type is CD-R. The brand is Imation, and the packaging type is a jewel case. The discs are perfect for any computer or storage device and are a must-have for any music lover.