Worm Factory DS3BT 3-Tray Worm Composter, Black Made with post-consumer recycled plastic, Dimensions 16-inch x 16-inch x 13-inch. Built in "worm tea" collector tray and spigot for easy draining. Odor Free Operation, Year Round Production. Digital DVD, Manual, and Warranty included after product registration. Expandable up to 7 trays.