Heidi's Garden Plant Pep™ is the perfect green living fertilizing brew for your outdoor plants. After years of research and development, master herbalist Heidi's final patented product of 21 herbs, granulated kelp, and greensand is in an organic brew bag ready to provide your plants with 32 micro-nutrients. 5 bags come in a 100% recycled box that makes 20 gallons of fertilizer. Three boxes fertilize an average garden (25' x 30') for the season. This was the first patented organic herbal fertilizer on the market and is still the best. No more hauling 50 pound bags of fertilizer!Totally safe for children and pets, easy storage. Will not burn plants and can be used directly on them as well. After you are finished brewing, complete the cycle and compost the bags and box! No animals were used in testing this product. Made locally in New Hampshire. The box measures approximately 6" x 5" x 5".