Describe Shelf life:3 years 1. Upgraded design: Creates natural, three-dimensional brows in just one minute, easily adapting to various brow bone shapes. 2. Made of high-quality metal, retains its shape, it feels smooth and suitable for repeated use. 3. Unique fitting technology: Accurately shapes brows, making it easy for even beginners to create professional results. 4. Portable and compact design: Easy to carry around, touch-ups anytime, anywhere, and maintain perfect brow shape all day. 5. Versatile: Suitable for everyday, heavy makeup, stage makeup, and other occasions, meeting diverse makeup needs. Precautions: 1. Keep out of reach of children to prevent accidental ingestion. 2. If you feel unwell, stop using immediately. 3. Do not use on damaged or swollen skin. 4. Store in a cool and dry place. Comment: 1. The manual measurement tolerance is 2-5g, please do not mind your replacement 2. Due to differences in different displays, the images may not reflect the actual color of the product. Thank you very much