These glucose test strips are used by medical experts as well as diabetic patients.This is a packet of 50 test strips for regular checkups.No need to visit a clinic as you have an option to self-test your blood sugar level at home. Take a strip & apply 1-2 drops of the fresh blood sample to get quick results.There are zero chances of errors if these test strips are used in a right way. You are advised to use these test strip with a user-friendly glucometer by Bayer Contour.