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 One Bottle of (4 ounce) D- Limonene. USP Kosher Food Grade. 100% USP Pure Food Grade. Keep out of reach of children. Instructions not provided.