Material: The outer casing is made of durable plastic, while the inner blade is crafted from high-quality carbon steel, ensuring it's not easily rusted and can sharpen pencils effectively and reliably. Easy to Clean and Use: Allows you to sharpen pencils efficiently and reliably, carving the pencil to a sharp point. You can clearly see the sharpening process and it won't leave any broken fragments inside the pencil, making cleaning and chip removal easy. Wide Range of Applications: Suitable for various sizes of cosmetic pencils and crayons, including eyeliners, lip liners, eyebrow pencils, and cosmetic pencils. Dual Pencil Sharpener: This sharpener can accommodate two different sizes of eyebrow pencils to meet your diverse needs. It's a highly practical tool for your daily use. Portable Pencil Sharpener: Features a simple appearance, is small and compact, offers a good hand feel, and is easy to hold. Its small and lightweight design allows you to easily carry it in your travel or work cosmetic bag.