Using Growing Paper helps to retain moisture and high sprouting rate GERMINATING PAPER replaces the lid during the initiation of germinating. perfect for Microgreens. APPLICABLE TARGET: Plant Germination/Microgreens Tray (18*26.6cm) Trays NOT Included NOTE: If the holes are too big for your seeds, you need to put a chemical free germinating paper towel under so the seeds 't fall through., Weight: 1.02074027306 pounds, Manufacturer: Blisfulhoks