Multipurpose: The seed starter tray has 2 ways to use, in addition to putting the soil into the transparent germination trays, you can also place the peat pellet into the green bottom tray slot for seed breeding.Sturdy and Reusable Material: These plant starter trays are made of high-quality plastic. These seedling trays are thicker than others by 0.6mm to prevent deformation when transferring seedling. They offer optimal pellet drainage and feature clear cells so you can watch the roots. After cleaning, you can use it again.Excellent Design: The transparent dome with the adjustable ventilation allows you to regulate the temperature and moisture inside. The liner trays have raised areas on the bottom that keep the grow cell tray draining well and permit bottom watering.Perfect Size for Seed Starter: These seed trays are suitable for small seeds, such as flowers, vegetables, fruits, tomato and other plants.Upgraded Design For Seedling Tray: The elaborate design of drain hole at the bottom to drain excess water, promote growth and prevent root damage caused by over-watering. Moreover, the seed starter tray with excellent high temperature resistance, they are strong enough to be used on a heat mat or under the sun and no-worry melting.