Accu-chek Guide 50 Strips Reta With a spill-resistant SmartPack vial and a design that lets you place a small drop of blood anywhere along the end of the strip, they are a surprisingly simple way to manage your diabetes. Benefits and features Simple to take just one strip?spill-resistant SmartPack vial lets you take one and spill none Simple to use the entire end?place a small drop of blood anywhere along the end of the test strip, instead of on a tiny spot Simple to be more accurate?delivers advanced 10/10 accuracy for reliable results you can trust Manufactured in the U.S.A