After buying these at the drug store for years and paying double the price we were thrilled to find them on Amazon! My husband is diabetic and has to test daily. We have had many different testers and the Bayer Contour is by far the best! My husband really hates sticking himself to only find the tester to say error!, and have to do it over again! That never happens with the Contour! It is always fast and sure! We love it, and love the price we can purchase it for..