PREMIUM MATERIAL: The twist pen is made of PP environmentally friendly plastic material, and the transparent bottle design can help you better identify the remaining dose in the tube. LEAKPROOF; The cap of the empty twine pen is close to the bottle mouth, which has good sealing performance and can prevent liquid leakage. It is suitable for packing various liquids. VARIOUS USES: Can be used to fill lip gloss, nail nutrient oil, essential oil, eyelash growth agent, etc. It can also be used in polishes, tooth whitening, foundation, essence, etc. EASY TO USE: Filling with liquid into tube, and then installed the brush tip, make the liquid on evenly and paint where you need, remember to cover the pen cap to avoid leaking after use. PACKAGE INCLUDED: You will get 10pcs empty nail pens, each tube's capacity is 3ml, sufficient quantity to meet your different purposes, daily use, replacement or share with your famlity. FEATURES: 1.The tip is like a paint brush and you can make the oil goes on evenly and fits underneath your nails or your lip. 2.Portable brush pen applicator, easy to take it on the go, in your purse or bag. 3.you can fill the liquid with a brush and paint where you need it, lightweight and wont leaking design is good for travel and business trip. SPECIFICATIONS: Color: Transparent Material: Plastic Size: Approx. 12.5*1.2cm/5*0.47inch Volume: 3ML Quantity: 10 Pieces PACKAGE INCLUDED: 10 x Empty Twist Pens USING TIPS: 1.Fill the nail oil pen with liquid. 2.Install the white brush tip. 3.Twist the pen to evenly apply the liquid to where you need it. WARM REMINDER: 1. Please cover the pen cap after each use. 2. Do not twist the pen to the top, it will be unable to twist back for filling once twisting to the top.