Black Plastic Gardening Trays WITH drain holes. Growing Trays can be reused over and over again. Perfect for growing wheatgrass, starting seedlings, growing microgreens in soil & more. Sturdy black plastic. Precise fit for Sure to Grow pads and Micro-Mats hydroponic pads. Tray is wider in the mouth (top of tray) and tapers to the base (bottom of tray). Top of Tray - Exact Dimensions: - 20.5 Inches Long (522 mm) - 10 1/8th Inces Wide: (255 mm) Bottom of Tray - Exact Dimensions: - 19 7/8th Inches Long (504 mm) - 9 3/8th Inces Wide: (238 mm) Depth of Tray - Exact Dimensions - 2 3/8th Inches Deep (60 mm)