Our windproof and thermal ear muffs are designed to provide maximum comfort and noise reduction, making them for sleeping. The adjustable strap allows for a fit, ensuring that the ear muffs stay securely in place without causing discomfort. The plush lining provides excellent insulation, keeping your ears warm and protected from cold winds, making these ear muffs an essential accessory for winter. Features - Color: Light Grey -Material:Plush - Size: 55.00X11.00X0.50cm/21.61X4.32X0.20in -Windproof and warm: the lining effectively blocks out cold wind, keeping your ears warm and cozy in harsh weather conditions -Adjustable strap: easily adjust the tightness of the earmuffs with the strap, making them suitable for people with different head sizes -Minimalist and stylish: the simple and elegant design makes these earmuffs a versatile accessory that complements any outfit -Comfort: ergonomically designed to avoid putting pressure , these earmuffs provide a comfortable experience -Soft and cozy material: the soft fabric gently hugs your ears, providing a comfortable and undisturbed sleep experience Package list: 1pcs sleep earmuffs