Empty Liquid Eyeliner Pen Tube with BrushStyle Applicator Product overview A refillable empty eyeliner pen designed to hold liquid eyeliner securely while delivering an even, precise line. The tip functions like a fine paint brush to glide smoothly under and above the lash line, making application consistent and controlled. Key benefits Even, precise application: Brushstyle applicator spreads product evenly for clean lines and consistent coverage, including delicate areas beneath the lower lash line. Secure, portable storage: The sealed container keeps eyeliner liquid safely inside for travel and on the go without mess. Lightweight and leak resistant: Designed to minimize weight and prevent leakage, making it practical for daily use and transport. Durable construction: Built from sturdy materials to withstand regular filling and use while maintaining shape and performance. Easy to fill and refill: Simple filling process supports DIY formulations and small batch production, helping sellers present custom or branded eyeliner options. Versatile empty pen: Functions as an empty eyeliner container for refills, product sampling, or retail filling. Function and compatibility Intended for liquid eyeliner formulations and similar pigment liquids that are suitable for penstyle applicators. Works as an empty reservoir for custom blends, testers, and sample sets. Compact size fits standard makeup bags and professional kits, offering convenient portability. Performance and handling Brushstyle tip provides fine control for both thin and thicker lines depending on pressure and angle. Smooth flow from the container to the applicator reduces skipping and pooling. Refillable design supports repeat use and quick swapping of colors or formulas. Use scenarios Daily makeup routine: Refill with a favorite liquid eyeliner for consistent, precise application each morning. Travel and on the go: Carry a filled pen in a makeup bag without fear of leakage or unwanted spills. Retail or promotional filling: Fill tubes with custom shades or samples for small batch sales, events, or tester displays to increase product appeal. What you receive Empty liquid eyeliner pen with brushstyle applicator and airtight container ready for filling and use.