Original German strips from the global company Roche for accurate results that ensure your safety. Quantity: The box contains 50 test strips. Designed for quick self-testing at home with a very small drop of blood. Works efficiently with the following devices: Accu-Chek Instant Accu-Chek Instant S Lancets Accu-Chek All products are new and factory sealed. Serious buyers, God willing, we will not disagree with them.