Designed to fit on our popular 1010 deep and 1010 shallow trays these plastic humidity domes will provide an easy way to control the humidity of your small-batch microgreens. Our heavy-duty Humidity Dome for 10" x 10" seed trays helps you regulate the temperature and moisture needed for the germination of your seedlings. Use in conjunction with a heat mat for even better germination rates for your seedlings. Our domes are not flimsy or brittle like others. Made from Extra Strength recycled plastic.