Appropriate Size The plastic plant trays without holes size is designed to fit most needs - 1020 Tray Bottom 10" x 20", Top 10.83" x 20.87", Deep:2.36", enough to holding nursery pots. In addition, it is standard 1020 trays no holes, so it is fit for most plant growing trays and leaves well on shelves. Premium Quality The 1020 seed tray is made from high quality PS material , Heavy Duty, stronger than other normal 1020 tray. With strong weight capacity and reinforced thickness - 1.8 mm, resists twisting and bending. Can be leaving outdoor for cold temperature, and also putting on heating mat for high temperature. Bottom design Bottom of the tray has deeper Concave convex stripes，which cannot only for holding more water for seedling pots absorb for longer time, but also stronger the bottom with better bearing capacity, not so easy to be bent. Efficient & Easy to Clean Lightweight and stackable for easy storage, these trays are effortless to clean, making them a convenient addition to your gardening tools. Easy To Set Up These grow trays are perfect for potting plants, mixing soil, and even growing plants! Whether you're a beginner gardener or a pro, this tray is a great addition to your gardening tools. Versatile Use Those plant trays have no drainage holes, making them ideal for use as micro-greens growing trays in greenhouses. They are also good for holding and transporting seeds starting pots. As standard 1020 plug trays holding flat, It can hold a large amount of soil for starting seeds, growing microgreens, nursery pots and plug trays.it is also the perfect micro greens growing kits for nursery, soil replacement, seedling transplanting, bulk transfer and more.