[Premium Packaging] Contains two sleep masks made of high-quality natural mulberry silk, which is breathable, lightweight, ultra-soft, and comfortable to wear. [Perfect Light Blocking] This night vision mask is specially designed to protect your eyes from light, minimize eye strain, and provide optimal eye comfort so you fall asleep faster and achieve a complete, deep sleep. [Ergonomic Design] Each eye mask weighs 15 grams, measures 21.5 x 10.5 cm, and comes with a 15 cm adjustable strap, making it easy to adjust to a head circumference of 48 to 64 cm, making it suitable for most men and women. [Superior Sleep Experience] The eye mask is flexible and durable and comfortably wraps around your head for the most comfortable sleeping position without tangling your hair. The breathable silk fibers ensure ideal ventilation for people with dry eyes or insomnia. [Deep Relaxation, Anytime, Anywhere] Wherever you are (traveling, at home, in a hotel, on a train, plane...), our eye mask ensures complete darkness for a good night's sleep. Please note: 1. Due to different lighting and screen settings, the product color may differ slightly from the image. 2. Please allow a slight difference in dimensions due to manual measurements. [Friendly Tips] Returning goods without reason will cause unnecessary resource and energy consumption. Please contact our customer service if you experience any problems after receiving your order, and we will do our best to help you solve them. If you are still not satisfied, it is never too late to return goods after being contacted. Thank you again.