Our windproof and thermal ear muffs are designed to keep you warm and comfortable in cold weather. The adjustable ensures a snug fit without putting pressure , making them for sleeping. These ear muffs are lined with plush material to provide maximum insulation and noise reduction, allowing you to enjoy a peaceful night's sleep. Features - Color: Light Grey -Material:Plush - Size: 55.00X11.00X0.50cm/21.61X4.32X0.20in -Windproof and coldresistant: the design effectively prevents cold wind from penetrating, keeping your ears warm and cozy in harsh weather conditions -Adjustable : conveniently adjust the tightness of the earmuffs with the strap, making it suitable for people with different head sizes -Minimalist design: fashionable and versatile, these earmuffs cater to the style preferences of various consumers, ensuring they match any outfit -Nonpressure design: ergonomically designed to avoid putting pressure , providing a comfortable fit without causing discomfort -Comfortable sleep: made from soft materials that snugly fit your ears, allowing you to without any disturbances Package list: 1pcs sleep earmuffs