These narrow "Cone-tainers" allow for considerable plant growth in a small space. The tall, cone-shaped design and internal vertical anti-spiral ribs let roots grow deep and straight. Each individual cell has a center drainage hole on the bottom and four side-drain holes on the tapered end. Used for cultivating native plants, sagebrush, grasses, and forbs for landscape restoration. Also utilized for growing citrus liners, conifer seedlings like firs and pines, and deciduous tree seedlings such as maple, birch, and alder. Additionally, these pots are excellent for starting apple trees from seeds. SC7 cells have a cell diameter of 1.5", a depth of 5.5", and a volume of 107ml or 6.53 cu. in. SC10 cells have a cell diameter of 1.5", a depth of 8.25" and a volume of 164 ml or 10 cu. in. Can I buy yellow SC71 Cone Tainer cells measuring 1.5 inches by 5.5 inches from Greenhouse Megastore, or do I need to order them directly from Stuewe? Yellow SC71 Cone Tainer cells in the size 1.5 inches by 5.5 inches are not currently available for purchase from Greenhouse Megastore. To obtain yellow cells in this size, you will need to order them directly from Stuewe. About Pallet Size We are now offering a new bulk ordering size for some of our most popular growing media: the pallet size. Due to certain shipping factors, we are able to offer an entire product pallet for the same shipping cost as smaller bulk orders. For this product, a single pallet consists of (60) 2 cubic foot bags. We believe this will be a great option for schools and commercial institutions.