Product Description How to maintain the cotton sleep mask? Because of its pure cotton material and ultra-soft and breathable features, this cotton sleep mask needs your care to protect its ergonomic design. -Hand wash in the homoeothermic water only with mild detergent, and let air-dry (lay flat or hanging)! -Avoid wringing or Machine Wash. -Iron it in low temperature to protect the texture. ZERO PRESSURE You won't feel any pressure on you nose and face due to it's soft material. SLEEP COMPANION Help sleeping at night, totally cover your whole face for blocking light. LARGE STRAP Wider strap is friendly to your ears and less moving during sleeping. SOFT MATERIAL Sleep mask uses high-quality cotton to ensure comfortable sleeping and maintain the soft, supple touch.