Item Type: Sleep Winter Warm Earmuffs Material: Cotton Cloth Package List 1 x Earmuff 1NOISE REDUCTION: Utilizing advanced soundproofing technology, these earmuffs effectively reduce noise interference, creating a peaceful sleeping environment for you. 2ADJUSTABLE SIZE: The ear cups of these earmuffs can be easily adjusted to fit various head sizes, making them suitable for both men and women. 3COMFORTABLE DESIGN: Designed with ergonomic principles, these earmuffs offer a comfortable fit that conforms to the shape of your ears. You can wear them for extended periods without feeling discomfort. 4BREATHABLE COTTON CLOTH MATERIAL: Made with well quality cotton cloth materials, these earmuffs are breathable, soft, and durable, providing comprehensive protection for your ears. 5VERSATILE USAGE: Perfect for sleep, study, travel, and more, these earmuffs are suitable for various scenarios, allowing you to enjoy peaceful sleep anytime, anywhere.