50 Test Strips - 2 Vials of 25 Test StripsFor blood glucose testing with OneTouch? Ultra?, OneTouch? UltraSmart? Brand Meters, and InDuo? Systems. Each test strip contains: Glucose oxidase (greater than or equal to) 0.8IU; other ingredients (mediator, buffer, etc) (greater than or equal to) 0.05mg. The vial contains a drying agent.