For daily life For travel Block out light. You can get a good night's sleep. [Contant] one sleep mask (Bag sold separately: https://pinkoi.com/product/yKsttKvS ) [Material] Surface: Cotton 100% (Doble gauze) Back: Cotton 100% black( It's very soft and smooth cotton used baby underwear.) Belt: Brown（Size-adjustable belt) When you can't decide which one to choose. I recommend [ Adult / standard]type. https://youtu.be/tGHW61cVDSs [Size] (wide x high) Child:16cm x 7cm Adult :20cm x 9.5cm https://i.pinimg.com/564x/1a/28/39/1a283956d5a9c85deafd4fa9a1f1c98a.jpg [Thickness] /// What is the difference standard and thin? /// The wearing comfort. Standard type :fit your skin and comfortable perfect for all the year over. Thin type: light and comfortable perfect for spring-summer season.Breathable. https://i.pinimg.com/564x/d1/21/d8/d121d8001c40e7dd62ca157ff8f30efb.jpg [Care] It is washable. tumble dry, normal, low heat. [Gift Wrapping] No extra chrge https://i.pinimg.com/564x/6f/37/2a/6f372a4ec6d0ab6c3a52ef953651840e.jpg ーーーーーーーーーーーー 【Custom-made】 You can also select “Lining color”and”Belt color”at no extra charge. If you need to change the color ,tell me “lining color”and”belt color” . （Lining color）①white②beige③red④pink⑤light-blue⑥black （Belt）①black②brown③red https://i.pinimg.com/564x/10/50/76/105076aeb9cfcc4f05caaaa762dc7df3.jpg https://i.pinimg.com/564x/29/a4/2d/29a42d624020e755b61414345488429f.jpg If you have any questions,please ask me. I'm looking forward to your order from all over the world. Thank you.