Product color: As shown in the picture Net content: 16+2 sets Shelf life: three years Product features: 1. Adopt ginseng essence formula to deeply nourish hair follicles, promote natural hair regeneration, and improve sparse hair volume. 2. Advanced hair growth technology, gentle and non-irritating, suitable for all scalp types, improve hair density and strength. 3. Systematic care program, daily use can effectively slow down hair loss problems and enhance hair root stability. 4. No harmful chemical ingredients are added, and authoritative safety certification has been passed, which makes it safer and more assured to use. 5. Portable design, fast absorption formula, easy to integrate into daily hair care process, and improve hair growth efficiency. Storage method: Store in a cool and dry place, avoid sunlight. Notes: 1. The manual measurement tolerance is 2-5. Please don't mind your replacement. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. The effect varies from person to person, so it is recommended to persist Delivery contents include: 1/2/3PCS * Hair roller essence Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.