Seedling Starting Trays (288 Cells) tray Inserts, Greenhouse, Seed Propagation Includes 48 Trays, 288 cells total 48 Trays will fill 4 10×20 Flats or Trays12 trays will fill one standard 1020 flat or tray Each tray measures approx. 5 1/2″ x 3 7/16″ x 2 3/8″ Each cell within the tray measures 1.55″ top diameter x 2.33″ deep Cell dry volume is 3.6 cu. inches Great for starting and germinating seeds as well as cloning. Bulk product, not in retail packaging Listing and template services provided by inkFrog