MicroKote™ Coated 1 Gallon Growing Containers - (7" Tall x 6" wide at the top) NS-300 Classic Brand by Nursery Supplies Inc. coated/treated with MicroKote container coating. MicroKote™ is designed to improve nutrition and root development of plants grown in containers. MicroKote contains calcium, copper, iron, magnesium, manganese and zinc formulated in a latex based coating. Call or e-mail if you have questions. 10-1 gallon containers