5 Pack of Durable Black Plastic Growing Trays (Without Drain Holes) 21" X 11" X 2" - Flowers, Seedlings, Plants, Wheatgrass, Microgreens & More Quantity 5 - Durable Plastic - NO Drain Holes Perfect for use as a drip tray, hydroponic growing and seed starting Approx: 21" by 11" (top measurement). 20" by 10" bottom of tray - See product description below for precise measurments Accomodates 20" x 10" Sure to Grow Hydroponic Grow Pads and Micro-Mats Perfectly Reusable - Great for Greenhouse, Seedlings, wheatgrass, microgreens and more.