The Viagrow Propagation Kit is great for germinating seeds. This seedling kit comes with premium Coir Media, Includes Tall Dome, Standard Flat 72 Cell Insert and a Standard Flat. The Viagrow Clear Plastic Dome with a standard 10 in. x 20 in. propagation tray flat without holes that is perfect for the propagation of plants and germinating seedlings. Tall domes are 7 in. tall and perfect for larger cuttings and seedlings. Tall propagation domes create a humid and warm environment for general propagation, clones, and seed germination. Viagrow 7 in. domes come with adjustable vents to control heat and humidity with a built in handle for easy removal. As a general guideline seedling and clones enjoy temperatures of 70-80 degrees and a humidity range of 50%-60%; please be sure to research your particular plant as temperature and humidity requirements will vary during propagation for different plants. Also included is a Viagrow Standard Flat Insert compartmental tray to start 72 separated. Viagrow coconut coir is triple washed, pH stable, all natural & sustainable and regarded as one of the best seedling germinating medias. If you need a seedling heat mat please see Code VSEEDMAT.