Premium Brine Shrimp is packaged fresh and then frozen locally here in the Midwest. Rich in all essential amino acids all fish from Angels to Zebras will devour this food. Available in many pack sizes including cubes. This product when thawed for feeding will come out as whole animals, not bits and pieces and does not contain any binders, gels or preservatives like the other mass producers that manufacture the products to six months plus on the shelves. There is nothing added that can harm your fish just brine shrimp. This is the freshest, finest foods and what we feed in our fish room to our livestock.