[Keep an eye on your plant]: The only the market- High quality clear plastic trays of this seed grow kit easier to observe your plants without interrupting the process.[ control]: Adjustable of this seed trays allow you to regulate the temperature and humidity of your seedling environment, so you have control over the germination process.[Perfect for the heat mat]: With resistance to high and low temperature, these seedling trays are strong enough to be used on a heat mat and no-worry melting.[Perfect size for seed]: 1.5 inch square for each cell makes these seed trays are suitable for seeds, such as potatoes,tomates,perpers, eggplants and so on. 6 trays equivalent to a 1020 flat.[Package include]5 x Seed Tray, 5 x Watertight Base Tray, 5 x Humidity Dome, 10 x Plant Labels (A must have for seedling).Colour:greenMaterial:plasticPackage Contents:5 x Seed Tray5 x Watertight Base Tray5 x Humidity Dome10 x Plant Labels (A must have for seedling)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.