3 Pack LARGE Heavy Duty Sprouting Wheatgrass Flats or Planting Tray 17"x17"x2&frac12;" with Drainage Holes Heavy Duty Re-Usable Growing or Germination Trays - Wasn and Re-use Great for Wheatgrass, Sproutns, Starting Plants etc Measures 17: x 17: x 2.1" These trays yeild up to 2 lbs of wheatgrass, 4 lbs of sunflower and 2 lbs of pea green.