1. 【Material】: The funny frog sleep masks are made of cotton fabric; when you wear the 3D sleep masks, you will feel soft, breathable, and comfortable. 2. 【Size】: The size of the sleep eye mask is about 21 cm x 7.5 cm. The eye mask's elastic band is flexible and durable to comfortably wrap around your head and sit comfortably in any sleeping position. Suitable for both children and adults. 3. 【Package】: 1 piece of creative frog sleep eye masks, funny design, interesting and practical sleep mask for daily use or as a small gift. 4. 【Function】: The eye mask is suitable for travel, afternoon nap, flying, and deep sleep. The cotton eye mask can completely block out all disturbing light, making it easier for you to fall asleep and immerse yourself deeply. 5. 【Pillow-soft comfort material】: Lightweight and smooth polyester fibers relieve your facial stress and help you fall asleep quickly.