[Keep an eye on your plant]: The only design in the market- clear plastic trays of this seed grow kit make it easier to observe your plants without interrupting the process. [Total control]: Adjustable vents of this seed trays allow you to regulate the temperature and humidity of your seedling environment, so you have total control over the germination process. [Perfect for the heat mat]: With its excellent 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 large seed]: 1.5 inch square for each cell makes these seed trays are suitable for large 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:green Material:plastic Package Contents: 5 x Seed Tray 5 x Watertight Base Tray 5 x Humidity Dome 10 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.