The Viagrow 200 sq. in. Polypropylene Propagation Kit includes a 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 is perfect for the propagation of plants. 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 with this plant propagation kit is a Viagrow Standard Flat Insert compartmental tray to start 72 separated plants using your favorite growing mix. It works with the standard flats. This propagation kit includes a 1 pack.