Generally the blood glucose test strip is very easy to be affected with wet environment after the vial is opened. moreover the end-user might get a wrong test result through these expired test strip and cause serious medical care issue. since we use patented technology to pack our test strip in a single foil packet the test strip will be well-protected by the foil. with our patented single foil packet strip our end-user is possible to store their test strips conveniently and safety. this also keep the accuracy of test results preventing the fatal self-diagnostic mistake.