Up to one pound + wire spool organizer, Holds the spools on a shaft inside a box to alleviate unraveling along with easy access to wire. This product has the ability to stack vertically if purchased with 2 or more also sold as a 4 pack with tray option or a 6 pack with tray option. You can request a specific solid color option, Or multi color option, If no color is selected it will Default to All (Black).