Specifications: Easy to filling and carry, available anytime, anywhere. Please filling with liquid and then install the brush. After use, remember to cover the pen cap. Used for filling lip gloss, nail nutrition oil, essential oils, nail polish, eyelash growth, perfume, etc. Type: Empty Twist Pen Material: PP Capacity: 3ml Quantity: 5 Pcs Features: Empty, Cosmetic Container, Portable, with Pen Cap Size(D x L): 12mm x 125mm/0.47" x 4.92" (Approx.) Notes: This product is not suitable for filling acid alkaline or higher alcohol concentration liquid. Do not twist the pen to the top, it will be unable to twist back for filling once twisting to the top. Package Includes: 5 x Empty Twist Pens