The Klein 5539CPAK 3-Piece Canvas Zipper Bag Pack includes one red, one blue and one yellow bag. They are made out of No. 8 canvas with a heavy-duty brass zipper. It is a convenient place to store wire nuts, connectors and other consumables. They have a 3-1/2-Inch wide bottom for stability when standing up right. Each bag has a brass grommet for hanging or attaching to a belt or clip. Klein was founded by Mathias Klein and has been in business since 1857. Today, Klein Tools, Inc. represents much more than Klein pliers. The company’s product line has broadened to include virtually every major type of hand tool used in construction, electronics, mining, and general industry in addition to the electrical and telecommunications fields. Klein’s reputation as a leading producer of professional-quality products is global.