Plastic black seedling tray is specially designed for planting seedlings. This tray allows you to cultivate seedlings until they are large enough to be transplanted into their own pots, using lesser space as compared to traditional planter boxes. With good quality material, trays are durable and reusable. Plastic seedling tray, 21, 28, 32, 50, 72, 98, 105, 128, 162, 200, 288 holes.