iOmega Zip 100 External Drive 100MB Blue/Gray USB Powered Z100USBS iOmega Zip 100 External Drive 100MB Blue/Gray USB Powered Z100USBS. Material: Plastic. Material: Metal. 6.5in length x 4.4in width x 0.85in height. Actual item size. Country of Manufacture: Malaysia. Feature: Part Number: 30957900. Does not include the USB cable. Portable.