1020 Trays - Extra Strength No Holes, 10 pack, for Propagation Seed Starter, Plant Germination, Seedling Flat, Fodder, Microgreens Ultra-Durable, Top-Quality BPA Free Plastic Trays No Holes. Will last you many years Perfect match to our other heavy duty trays and humidity domes. Outer Dimension: 21" x 10.75" x 2.5" 2 Year Warranty guaranteed not to break so you can focus on growing and not replacing equipment Recyclable injection molded Polypropylene (PP #5) leach resistant plastic with no harmful additives Perfect plant germination tray for heat mats, humidity domes, microgreens, wheatgrass, fodder, hydro The Extra Thick Black Plastic can withstand heavy loads Won&#039;t break or warp while moving trays filled with wet material Store trays when not in use without worrying about being crushed 21 Inches Long 10.75 Inches Wide 2.5 Inches Deep Fodder and Fodder Systems Microgreens Wheatgrass Germination of Seedlings Soil Rockwool Vermiculite Perlite Many other Growing Materials