Sleep Mask - After long-term research and data, we update every detail and make better ergonomic sleep mask design that fits any head size. PERFECT LIGHTBLOCKER ANYWHERE, ANYTIME - This sleep mask adopts patented design, adjustable and durable, effectively blocks light in the nasal area. You can sleep or take a nap anywhere.Tips: Raise the built-in flexor cartilage to make it more comfortable and achieve better light-shielding. SUPER SOFT & COMFORTABLE - This sleep mask is made of 5 layers of super breathable fabric including cotton, elastic foam and modaier for an extremely soft and fresh feel. EYES FEEL FREE- The soft cotton triangle-wing design of this sleep mask eliminates mask slippage and pressure on your eyes and head, letting you wake up relaxed and refreshed. NOTE: 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products