-While increasing the heat preservation area and expanding the space around the ears, the earmuffs are detachable and very easy to clean. -With the elastic headband design, this earmuff can be close to the ear in the absence of wind. The memory frame makes it comfortable and not easy to deform. -It is made of high-quality plush materials. -The length of this product is 20 cm. -This earphone is suitable for outdoor use. Specifications: Type: Heater Color: solid color Material: plush Features: foldable, warm and removable Packages included: 1 ear muff Note: 1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown in the picture. 2. Please allow 1-3cm error due to manual measurement. (1 inch=2.54 cm)