Features: 1: Traditional Chinese medicine formula selected extractable ingredients penetrate deep into the skin and awaken the memory cells of the brain. 2. Easy to absorb safe and effective wake up the brain improve the memory quickly. 3. Help relieve your brain and allow you to spend the day with increased memory loss. 4. How to use: Clean and dry our navel and forehead before bed; Put the patch on the navel and forehead; Tear it off after letting up (about 8-12 hours). 5.After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Sticker Diameter: 3cm Weight: 5g Shelf Life: 3 years Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. includes: 10 * Stickers