Experience the in comfort and noise reduction with our windproof and thermal ear muffs. The adjustable strap allows for a fit, ensuring that the ear muffs stay securely in place without causing discomfort. for use during sleep, these ear muffs are designed to keep your ears warm and shielded from cold winds, making them an essential accessory for winter. Features - Color: Light Grey -Material:Plush - Size: 55.00X11.00X0.50cm/21.61X4.32X0.20in -Cold weather protection: the material provides excellent protection against cold weather, keeping your ears warm and shielded from the wind -Adjustable tightness: the strap allows for easy adjustment, making these earmuffs suitable for individuals with varying head sizes -Versatile design: the simple and elegant design makes these earmuffs a versatile accessory that complements any outfit -Ergonomic comfort: the earmuffs are designed to fit comfortably without pressing on your ears, ensuring a pleasant wearing experience -Soft and cozy: the soft material gently hugs your ears, providing a cozy and comfortable environment for a restful sleep Package list: 1pcs sleep earmuffs