You will receive 10 trays per order. Each tray measures 10 x 20 x 2.5 inches in dimension. These propagation trays are the standard size for the U.S. and Canadian markets, they are the perfect size to meet all your needs. Whether you are expanding your gardening activities or replacing old trays, SunPack won't let you down. Ideal for growing seeds for flowers, herb, or fruits and vegetables. These trays will keep your precious seedlings safe and healthy while you wait for growth. There are no holes in this tray, which allows you to fill it with gravel and place the pots into it. These Mega trays allow for better drainage and plant health. Made of food-grade, BPA-free plastic. Keeping your seeds healthy is important, these trays are made of BPA-free plastic which will create a healthier environment for your garden. Trays stack when not in use, helping with your greenhouse organization. In any greenhouse, it can get cluttered and feel overwhelming. With SunPack's trays, they stack which create a tidier environment. Constructed from premium material, these propagation trays are standard size for the U.S. and Canadian markets. These trays are perfect for expanding your gardening activities or replacing old trays. Their deep-channel bottom ridges provide easy drainage, preventing overwatering and offering better stability for containers. These propagation trays are heavy-duty (.88" thick) and can support up to 120 pounds. The trays are super strong with reinforced sides and lips, making them easy to safely carry around the garden, house, or greenhouse.