Use the Viagrow clear plastic dome with a standard 10 in. X 20 in. Propagation tray flat. Tall Domes are 7 in. Tall & perfect for larger cuttings & seedlings. Tall propagation Domes create a humid & warm environment for general propagation, clones, & seed germination. Viagrow 7 in. Domes come with adjustable vents to control heat & humidity with a built in handle for easy removal. As a general guideline seedling & clones enjoy temperatures of 70-80 Degree & a humidity range of 50%-60%; please be sure to research your particular plant as temperature & humidity requirements will vary during propagation for different plants. This is a 5 Pack.