Umisleep Guaranteed Quality and Service: Umisleep manufactures different styles of professional comfortable, premium sleep goggles. It is flexible, foldable, washable and can be restored to its original shape after washing. If there is any dissatisfaction, we will exchange it or other solutions. Improved and Exquisite Gift Box: We upgraded the packaging from bags to gift boxes to keep the sleep mask safer and not deformed during transport. It is a great gift for relatives, girlfriends and friends. Premium Sleep Mask: our sleep mask is different from traditional craftsmanship, the innovative sewing technology makes the sleep mask strong and durable. Tip: To make the product more durable and stable, it is recommended to wash it with clean water and then air dry without wring it out. Premium Adjustable Shoulder Strap: the Umisleep brand has focused on sleeping masks for years. Many users have problems with straps that tear easily, as well as Velcro fasteners that get tangled in their hair. So we use the improved rubber band, the quality is better, do not worry about hair breakage or tangles. Your sleep quality will greatly improve. Adjustable, ultra-thin elastic bands fit all head circumferences. Breathable & Comfortable Sleep Mask: Have you ever had problems with 3D eye masks that keep your eyes and face warm? If so, a breathable sleep mask is the perfect choice. This Umisleep sleep mask is made of double-sided ice silk fabric, which is lightweight and super breathable without being stuffy and helps you sleep more comfortably and breathable. Why Choose Umisleep Brand?: Umisleep brand focused on sleep masks for many years and helped 200 million people enjoy better sleep. If you are not satisfied, we promise to work hard to solve your problem. Please contact us, we will reply within 24 hours. Cool Feeling: Are you troubled by the sweaty while wearing eye masks? If yes, this cooling night mask is your perfect choice. The eye cover is made of double-side ice silk fabric, super breathable, and no hot. Cut off Light Perfectly: This invisible nose bridge of this sleeping eye mask is designed to effectively cut off light from the bottom of the nose area, bring you a completely dark sleeping environment. With it you can sleep well anytime and anywhere. What are the Functions of 3D Eye Mask? : The connected 3D contour cup of makes this sleep eye mask more breathable, and there is no pressure on your eyeballs and nose. In addition, the deeper eye sockets design won't rub your lash. Perfect Sleep Mask for Side Sleepers: Umisleep upgraded sleeping mask snug fits the contours of the temples, the height difference design on both sides perfectly cushioning the pressure to the temples when sleeping on the side. Making you sleep better and relax well.