These microblades come with a batch number and expiry date.
Shading pens like this one are used to create a fog, shadow or powder look when microblading eyebrows. 21 needles is about the most you can get in one tool so you can use this pen to shade the eyebrow quickly and efficiently.
10 packs of this needle can be found here.
Each microblading pen is individually sterilised and comes with a lid or cap to prevent bending of the needles during transport.
Single use only. Do not use if package is broken.