Description from manufacturer: 100% Pure, Black Seed Oil (Also known as Black Cumin Oil) - Cold Pressed & Solvent Free - 32oz Black HDPE Bottle. Amazing Herbs Premium Black Seed oil is a valuable source of EFA's 3/6/9's and also contains two very powerful phytochemicals Nigellone and Thymoquinone along with other nutrients that work synergistically to support the body's various functions. The bottles that we use are BPA-free and are made of high-density polyethylene (HDPE) which is easy to transport and recycle. Widely favored in the health and nutrition industry, HDPE is fully approved by the US and Canadian governments for vegetable oils and has an untarnished record of health and safety. We take all care possible in protecting the oil from light frequencies that even the darkest amber glass bottles allow through. The quality & integrity of our oils is our highest priority.