Description Specs FAQs The perfect tray is great for growing wheatgrass! Also a great tray for seed starting! Black plastic wheat-growing trays can be used over and over again. These trays DO NOT have drain holes. We do offer the same size trays with drain holes. The 10" x 10" tray is easy to transport and requires little shelf space. A size that is easy to transport from one location to another. Growing microgreens for restaurants? The Chef will really love the tray size, makes storing in coolers easier! Half the size of the standard 1020 seed starting trays Use as a drip tray for other tray inserts or pots These trays are excellent for growing wheatgrass, ornamental grass, barley grass, and more Can reuse season after season Approximate Tray Size Length Width Depth Color 10" 10" 2.5" Black Soil Conversion Chart Q: Will the 2 10" x 10" seedling trays fit in a 1020 tray or webflat? A: Two of the 10 by 10 trays can be nested in a 10" x 20" tray.