Over the years I purchased many of the above Lancing Devices from local drug stores. The tabs which hold the cap on would break and make it difficult to keep the cap on and use the device, some of them would only last a couple of months. Two years ago, I purchased one from Medical Wholesale Outlet it has one of the tabs broken now but I can still use it. So, I purchased my second one to have ready if the other tab breaks. The cost of these devices was very close if I bought it in a drug store or online.