Product Features:

1. The pen case is suitable for Wan Hai brand pen syringes.

2. Convenient for customers to retail, the case can hold 1 pen syringe, 1 refill and 3 needles.

3. The case can prevent damage to the pen syringe during transportation.

4. The pen box will make the pen syringe look more beautiful when it is sold as a set.

5. The pen case is more convenient for users to store and carry the pen syringes, which is less likely to be lost.