8 vials of Tramadol hydrochloride (trademarked as Conzip, Ryzolt, Ultracet, Ultram in the USA, Ralivia and Zytram XL in Canada) is a centrally acting synthetic analgesic used to treat moderate to moderately-severe pain. [source: Wiki]
Each Vial contains 100mg/2ml for a total of 800 mg of Tramadol in 16 ml of solution.