Thick 1020 Humidity Domes - Made in the USA - Thick Plastic, Reusable - Create a Mini Germination Greenhouse with a 1020 Tray - Microgreens, Sprouts, Wheatgrass (5) Thick, Reusable Humidity Domes Fit Standard 1020 Trays - Create a Mini Greenhouse Environment (Tray NOT Included) Great for Germinating Seeds, Microgreens, and Wheatgrass Domes Measure 11" Wide by 21.5" Long by 2" Tall Proudly Made in the USA of High Quality Clear Plastic Exclusive 'Plants Love Water' Bumper Sticker and Care and Use Guide Included! (Contact Us If Your Package Doesn't Have One)