Our sleep earmuffs are designed with an adjustable strap, making them suitable for individuals with varying head sizes. The easy-to-use ensures a secure and snug fit, providing maximum comfort and stability throughout the night. Features -Color:Black -Material:Cotton, velvet - Size: 60.00X10.50X0.50cm/23.58X4.13X0.20in -Note:Random color for inside -Designed to provide exceptional against wind and cold, these earmuffs ensure a cozy and warm sleeping experience even in the harshest weather conditions -Featuring a versatile adjustment system, these earmuffs can easily fit a wide range of head sizes, offering a secure fit for everyone -The luxurious fleece lining inside these earmuffs offers unparalleled comfort, ensuring that your ears are cushioned without any pressure, making them for extended wear -Equipped with advanced noise-cancelling technology, these earmuffs create a serene and quiet environment, allowing you to enjoy undisturbed sleep regardless of external noise -With a modern and chic design, these earmuffs are not only functional but also stylish, making them accessory to complement various fashion styles and personal needs Package list: 1 x Sleep Earmuffs