Describe Shelf life:3 years 1. New eyebrow shaping tool, made of transparent, flexible material, perfectly conforms to different eyebrow shapes, easily achieving symmetrical eyebrows. Even beginners can quickly master it. 2. Unique symmetrical design helps accurately position the brow peak, tail, and head, solving the problem of asymmetrical eyebrows and creating natural, three-dimensional brows. 3. Thin and flexible, it adheres well and doesn't shift, suitable for all face shapes and eyebrow types. A makeup artist-grade tool that improves eyebrow shaping efficiency. 4. Resistant to repeated washing and use, clean and hygienic, easy to store, and an ideal tool for daily makeup and semi-permanent makeup. 5. Multi-functional, not only suitable for daily makeup but also for semi-permanent makeup design, precisely outlining eyebrow shapes and improving customer satisfaction. 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