For over 14 years, Florida Laboratories has been dedicated to continually improving existing formulas and developing new products to meet market needs. We are committed to ongoing research for new and improved products and have implemented continuous laboratory quality assurance testing of all products to confirm the high standard we expect from our raw materials and finished products. We are pleased to offer you the finest raw materials available for your needs on the planet. You are buying a Half Gallon (64 ounce) bottle of Propylene Glycol USP Kosher PG Food Grade Active Ingredients: 99.9% Pure Food Grade Half Gallon (64 Ounces) Keep out of reach of children