Paper shall be “domestic paper only”, 20#, grain long, premium #4 with a target brightness of 92 (US) and a minimum opacity of 88 as listed in the Competitive Grade Finder. It shall be suitable to run troublefree in offset presses, high speed copiers, low speed copiers, laser printers, ink jet printers, and fax machines that use plain paper. All items bid shall carry a label from the manufacturer stating that the paper being bid and to be furnished is being manufactured under a private label and is the same grade as a specific grade listed in the Competitive Grade Finder. A ream shall consist of not less than 500 sheets, wrapped in a moisture resistant paper, packed 10 reams per carton in a moisture resistant container. Each ream must be labeled as to the type of paper in the ream, e.g., mimeograph, multipurpose. Multipurpose paper must be suitable for use on all types of copying equipment including plain bond and Xerox copiers.