For use with Microlet, Bayer Microlet, and Bayer Microlet Vaculance lancing devices. Instructions: To use, insert lancet, twist off the protective cap. After use, place protective cap on flat surface with Bayer logo facing down. Push lancet securely into the middle of the exposed side of the cap. With thumb, push release button or plunger cap to expose lancet. Grasp lancet body and remove. Discard. Designed to work with Bayer’s Microlet lancing device. Many parents feel this lancet/device combination is the most comfortable for children.