Requires only a tiny sample. Automatically draws blood into test strip.</br>Number 1 Test Strip in the U.S.Based on sold volume</br>2 Boxes</br></br>Product Description</br></br>Size: 100 Strips(50x2) For blood glucose testing with OneTouch Ultra and OneTouch UltraSmart Brand Meters and InDuoTM Systems.</br><br/>http://www.amazon.com/gp/product/B01ALA36UO