BD Micro-Fine Plus Insulin Pen Needles are sterile, single-use needles designed for compatible injection pens. The 31G × 5 mm size provides a fine, short needle option suitable for routine home or professional use. Each box contains 100 individually sealed needles to support hygienic, single-use application. The needles are engineered with a smooth, silicone-coated finish and secure pen attachment for consistent performance. Always follow your injection device’s instructions and dispose of used needles safely. Disclaimer: This product is a medical device and is not intended to diagnose, treat, cure, or prevent any disease. Use only as directed by your healthcare professional. Keep out of reach of children and discard used needles in an approved sharps container.