This sleep mask has a large size and an adjustable fit that ensures a comfortable and restful night's sleep. The earmuffs are easy to adjust to different head sizes, making them suitable for both adults and children. The ergonomic shape comfortably adapts to the contours of the ears. The material is breathable and durable cotton, which ensures a soft feel and long lifespan. Thanks to the breathable cotton, it remains comfortable even during prolonged use. This product is versatile to use, whether you are sleeping, studying, or traveling, allowing you to always enjoy a peaceful environment. Thanks to advanced sound insulation technology, it provides effective noise reduction for a peaceful sleeping environment. The packaging includes practical extras for optimal user-friendliness, such as a convenient storage bag and an instruction manual. The packaging contains 1 x adjustable sleep mask, 1 x storage bag, and 1 x instruction manual. Important specifications include cotton as the material, sleep mask type, sound insulation technology, and an adjustable fit. Experience the deep rest this sleep mask offers and enjoy undisturbed nights.