Sumbow Insulin Pen Needles 4mm × 31G 100pcs Duo Set includes two boxes of sterile, single-use insulin pen needles designed for smooth, comfortable subcutaneous injections. The 4mm, 31G ultra-fine needles feature a lubricated coating to help minimize discomfort and are compatible with most major insulin and medication pens.

Benefits:

- Provides smooth and comfortable insulin injections.

- Ultra-fine 31G needle helps reduce injection discomfort.

- 4mm needle supports accurate subcutaneous injection.

- Compatible with most major insulin and medication pens.

- Sterile, individually sealed, and ready for single use.

- Includes 100 pen needles per box for long-term convenience.

Contents:

- 2 × Sumbow Insulin Pen Needles 4mm × 31G 100pcs

Precautions:

- For single use only; do not reuse or share needles.

- Do not use if the packaging is damaged or opened.

- Ensure the needle is securely attached before injection.

- Dispose of used needles in an approved sharps container.

- Keep out of reach of children.

- Wash your hands before use.

- Attach a new needle securely to the insulin pen.

- Prime the pen according to the pen manufacturer's instructions.

- Inject as instructed by your healthcare professional.

- Remove and safely dispose of the needle immediately after use.